INDEX-SUJETS , Lettre A
  1. Amérique centrale...
    Tropische Nutzpflanzen: Ursprung Evolution und Domestikation...[m]
  2. Turneraceae. Partie I: Piriqueta...[m]
  3. Useful plants of Central America...[m]
  4. Useful plants of neotropical origin and their wild relatives...[m]
  5. Vanishing beauty: Native Costa Rican orchids. Volume 1: Acianthera-Kegelliela...[m]
  6. vegetation of Petén...[m]
  7. Amérique centrale et du Sud...
    Missouri Botanical Garden, Annals... 1987...[a]
  8. Amérique d...
    Systematic Botany... 1981...[a]
  9. Amérique de Nord...
    American Fern Society,Fiddlehead... 1988...[a]
  10. Amérique du Nord...
    100 shrubs of Ontario...[m]
  11. 2000 Directory of public gardens...[m]
  12. 2002 Directory of public gardens...[m]
  13. A la mémoire de Martha, la dernière de son espèce - A vol d'oiseau...[a]
  14. A propos botanique (L')...[a]
  15. According to season: Talks about the flowers in the order of their appearance in...[m]
  16. Account of some of the vegetable productions naturally growing in this part of A...[m]
  17. Across common: After wild flowers...[m]
  18. Acta Botanica Mexicana... 1988...[a]
  19. Adansonia... 1997...[a]
  20. Additions aux cypéracées de l'Amérique du nord...[m]
  21. Agaricaceae of Michigan. Vol. II : Plates...[m]
  22. Agaves of Continental North America...[m]
  23. Agaves of Continental North America...[m]
  24. Alaska trees and shrubs...[m]
  25. Alaska's wilderness medicines: Healthful plants of the far North...[m]
  26. All Botany 80: All Conference Symposium on North American ethnobotany...[m]
  27. Alpine wildflowers of the Rocky Mountains...[m]
  28. AMC field guide to mountain flowers of New England...[m]
  29. America of 1750. Peter Kalm's travels in North America...[m]
  30. America of 1750. Peter Kalm's travels in North America...[m]
  31. American alpines in the garden...[m]
  32. American Association of Botanical Gardens and Arboreta, Newsletter... 1992...[a]
  33. American bamboos...[m]
  34. American book of the woods: Prints and uses of 256 trees, shrubs, herbs and vine...[m]
  35. American Conifer Society, Bulletin... 1986...[a]
  36. American Fern Society,Fiddlehead... 1988...[a]
  37. American ferns: How to know, grow and use them...[m]
  38. American Fuchsia Society, Bulletin... 1991...[a]
  39. American gardener,The... 1998...[a]
  40. American gardener,The... 1999...[a]
  41. American gardener,The... 1999...[a]
  42. American gardener,The... 1999...[a]
  43. American gardener,The... 1999...[a]
  44. American gardener,The... 2000...[a]
  45. American grasses III: Descriptions of the tribes and genera...[m]
  46. American grasses...[m]
  47. American honey plants...[m]
  48. American Horticulturist... 1990...[a]
  49. American household botany: A history of useful plants 1620-1900...[m]
  50. American Indian healing arts: herbs, rituals, and remedies for every season...[m]
  51. American medicinal plants of commercial importance...[m]
  52. American Nurseryman... 1990...[a]
  53. American Nurseryman... 1993...[a]
  54. American Nurseryman... 1997...[a]
  55. American Nurseryman... 1999...[a]
  56. American Nurseryman... 1999...[a]
  57. American Nurseryman... 1999...[a]
  58. American Nurseryman... 2000...[a]
  59. American oaks...[m]
  60. American Orchid Society Bulletin... 1991...[a]
  61. American Orchid Society, Bulletin... 1985...[a]
  62. American Orchid Society, Bulletin... 1986...[a]
  63. American Orchid Society, Bulletin... 1988...[a]
  64. American Orchid Society, Bulletin... 1990...[a]
  65. American Orchid Society, Bulletin... 1990...[a]
  66. American Orchid Society, Bulletin... 1991...[a]
  67. American Orchid Society, Bulletin... 1992...[a]
  68. American Orchid Society, Bulletin... 1992...[a]
  69. American Orchid Society, Bulletin... 1993...[a]
  70. American Orchid Society, Bulletin... 1994...[a]
  71. American Orchid Society/Orchids... 1996...[a]
  72. American Orchid Society/Orchids... 1996...[a]
  73. American Orchid Society/Orchids... 1996...[a]
  74. American Orchid Society/Orchids... 1999...[a]
  75. American plants for american gardens: Plant ecology - The study of plants in rel...[m]
  76. American Rhododendron Society, Quarterly Bulletin... 1983...[a]
  77. American Rock Garden Society, Bulletin... 1984...[a]
  78. American Rock Garden Society, Bulletin... 1991...[a]
  79. American Rock Garden Society, Bulletin... 1993...[a]
  80. American species of Scleria...[m]
  81. American trees...[m]
  82. American weeds and useful plants...[m]
  83. American wild flowers...[m]
  84. American wildlife & plants...[m]
  85. Amérique : choix de lectures de géographie accompagnées de résumés, d'analyses, ...[m]
  86. Amoenitates academicae, seu dissertationes variae physicae, medicae, botanicae.....[m]
  87. Amphi-atlantic plants and their phytogeographical connections...[m]
  88. Analytic keys to the genera and species of North American mosses...[m]
  89. André and François André Michaux...[m]
  90. Animal tracks...[m]
  91. Ankor: Univers social. Transdisciplinaire 2e cycle: Manuel d'univers social...[m]
  92. Annotated bibliography on soil erosion and erosion control in subarctic and high...[m]
  93. Annotated list of the marine algae of British Columbia and Northern Washington (...[m]
  94. Annotated translation of the part of Schweinitz's two papers giving the rusts of...[m]
  95. Aquatic plants for fish and wildlife...[m]
  96. Aquatic plants of the United States...[m]
  97. Arboreta and Botanical Gardens of North America: A travelers guide...[m]
  98. Arboretum Waasland... 1983...[a]
  99. Arboretum Waasland... 1983...[a]
  100. Arboretum Waasland... 1984...[a]
  101. Arboretums and botanical gardens of North America...[m]
  102. Arboretums and botanical gardens of North America...[m]
  103. Arboriculture fruitière... 1989...[a]
  104. Arboriculture fruitière... 1989...[a]
  105. Arbre aux dinosaures...[m]
  106. Arbre urbain à travers les âges (L')...[a]
  107. Arbres du Québec: Comment les identifier facilement...[m]
  108. Arbres remarquables du Québec. Répertoire 1994...[m]
  109. Arbres remarquables du Québec. Répertoire 1994...[m]
  110. Arbres, arbustes, arbrisseaux du Québec - Comment les identifier en toutes saiso...[m]
  111. Arbres, arbustes, arbrisseaux du Québec - Comment les identifier en toutes saiso...[m]
  112. Armitage's native plants for North American gardens...[m]
  113. Arnoldia... 1973...[a]
  114. Arnoldia... 1981...[a]
  115. Arnoldia... 1991...[a]
  116. Arnoldia... 1993...[a]
  117. Arnoldia... 1995...[a]
  118. Arnoldia... 1998...[a]
  119. Art des Indiens d'Amérique du Nord...[m]
  120. Artic-alpine element of the vascular flora at Lake Superior...[m]
  121. Aspen symposium proceedings...[m]
  122. Atlas of orchid pollination: America, Africa, Asia and Australia...[m]
  123. Atlas of the rare vascular plants of Ontario: Atlas des plantes vasculaires rar...[m]
  124. Audubon Society field guide to North American butterflies...[m]
  125. Audubon Society field guide to North American insects & spiders...[m]
  126. Audubon Society field guide to North American insects & spiders...[m]
  127. Audubon Society field guide to North American insects & spiders...[m]
  128. Audubon Society field guide to North American insects and spiders...[m]
  129. Audubon Society field guide to North American insects and spiders...[m]
  130. Audubon Society field guide to North American insects and spiders...[m]
  131. Audubon: Le livre des oiseaux...[m]
  132. Autikon botanikon, or botanical illustrations of 2500 new, rare or beautiful tre...[m]
  133. Badianus manuscript: An Aztec Herbal of 1552...[m]
  134. Baileya... 1984...[a]
  135. Beautiful ferns...[m]
  136. Beautiful ferns...[m]
  137. Beauty and the beast: The hidden world of wildflowers...[m]
  138. Beginner's guide to American bonsai...[m]
  139. Beginner's guide to American bonsai...[m]
  140. Belles de nos bois...[m]
  141. Belles de nos bois...[m]
  142. Best loved trees of America...[m]
  143. Bibliographical index of North American fungi : Vol. I, Part I, Abrothallus to B...[m]
  144. BIOSPHERE... 1994...[a]
  145. Biota of North America; Part 1: Vascular plants; Volume 1: Rare plants...[m]
  146. Birding across North America: A naturalist's observations...[m]
  147. Birds of North America: A guide to field identification...[m]
  148. Birds of the Bahama Islands: containing many birds new to the islands, and a num...[m]
  149. Bluebirds forever...[m]
  150. Bog-Trotting for Orchids...[m]
  151. Bonsai for Americans...[m]
  152. Bonsai for Americans...[m]
  153. Bonsai with American trees...[m]
  154. Bonsai with American trees...[m]
  155. Book of trees...[m]
  156. Book of wild flowers for young people...[m]
  157. Book of wild flowers. 160 watercolors...[m]
  158. Book of wild flowers: An introduction to the ways of plant life, together with b...[m]
  159. Botanica North America: The illustrated guide to our native plants, their botany...[m]
  160. Botanical exploration in North America to 1810...[a]
  161. Botanical features of North American Deserts...[m]
  162. Botanistes français en Amérique du Nord avant 1850....[m]
  163. Botanistes français en Amérique du Nord avant 1850...[m]
  164. Bryophytes of Connecticut...[m]
  165. Bulbs of North America...[m]
  166. Burgess flowerbook for children...[m]
  167. Butterflies of North America...[m]
  168. Butterfly Wall Chart: A spectacular full-color identification guide to more than...[m]
  169. Cactus and Succulent Journal... 1992...[a]
  170. Cahiers des dix... 1951...[a]
  171. Calendar of wild things 1979 : including 15 recipes for cooking wild things...[a]
  172. Camping sauvage...[m]
  173. Canadensium plantarum historia...[m]
  174. Canadensium plantarum historia...[m]
  175. Canadian Journal of Botany... 1982...[a]
  176. Canadian Journal of Botany... 1983...[a]
  177. Canadian Journal of Botany... 1983...[a]
  178. Canadian Journal of Botany... 1983...[a]
  179. Canadian Journal of Botany... 1983...[a]
  180. Canadian Journal of Botany... 1984...[a]
  181. Canadian Journal of Botany... 1989...[a]
  182. Canadian Orchid Journal... 1987...[a]
  183. Canards et les oies du Québec...[m]
  184. Catalogue of North American plants north of Mexico, exclusive of the lower crypt...[m]
  185. Champignons des îles Saint-Pierre et Miquelon...[m]
  186. Check list of the native and naturalized trees of the United States including Al...[m]
  187. Chinese and related North American herbs: Phytopharmacology and therapeutic valu...[m]
  188. Chromosome numbers of some North American species of Artemisia (Asteraceae)...[m]
  189. Circumpolar plants: Dicotyledons...[m]
  190. Circumpolar plants: Vascular Cryptogams, conifers, Monocotyledons...[m]
  191. City trees: A historical geography from the Renaissance through the nineteenth c...[m]
  192. Class-book of botany...[m]
  193. Class-book of botany; (...) Flora of the northern, middle, and western states...[m]
  194. Clef artificielle pour l'identification des arbres,arbustes et arbrisseaux du Qu...[m]
  195. Clef artificielle pour l'identification des arbres,arbustes et arbrisseaux du Qu...[m]
  196. Coastal wildflowers of the Pacific Northwest: Wildflowers and flowering shrubs f...[m]
  197. Collecting processing and germinating seeds of wildland plants...[m]
  198. Collections for an essay towards a materia medica of the United States...[m]
  199. Colorado evergreens...[m]
  200. Comment nourrir les oiseaux de l'Amérique du Nord: Guide complet sur l'alimentat...[m]
  201. Commercial trees of Louisiana...[m]
  202. Common forest trees of Florida: How to know them...[m]
  203. Common forest trees of North Carolina - how to know them...[m]
  204. Common plants of the Mid-Atlantic Coast: A field guide...[m]
  205. Common poisonous plants and mushrooms of North America...[m]
  206. Common poisonous plants of New England...[m]
  207. Common poisonous plants...[m]
  208. Common weed seedlings of the United States and Canada...[m]
  209. Compendium of conifer diseases...[m]
  210. Complete guide to North American gardens; volume 2: The West Coast...[m]
  211. Complete guide to North American Trees...[m]
  212. Complete guide to North American Trees...[m]
  213. Complete trees of North America: Field guide and natural history...[m]
  214. Conifères nord-américains...[m]
  215. Conifers of California...[m]
  216. Conifers, junipers and yew: Gymnosperms of British Columbia...[m]
  217. Connaître, cueillir et cuisiner : Les champignons sauvages du Québec...[m]
  218. Connaître, cueillir et cuisiner : Les champignons sauvages du Québec...[m]
  219. Connaître, cueillir et cuisiner : Les champignons sauvages du Québec...[m]
  220. Conservationist... 1989...[a]
  221. Cornell nature-study leaflets...[m]
  222. Country herbs...[m]
  223. Cuisine des champs...[m]
  224. Cuisinons nos plantes sauvages...[m]
  225. Cuisinons nos plantes sauvages...[m]
  226. Culture des fleurs...[m]
  227. Culture of flowers...[m]
  228. Cultures of Uredineae, 1899-1917, and Index...[m]
  229. Currants, gooseberries, and jostaberries: A Guide for Growers, Marketers, and Re...[m]
  230. Curtis's Botanical Magazine... 1999...[a]
  231. Curtis's Botanical Magazine... 2002...[a]
  232. Cybele Columbiana : a series of studies in botany, chiefly North American...[m]
  233. Cytotaxonomical notes on some american orchids...[a]
  234. Dandelion celebration: A guide to unexpected cuisine...[m]
  235. De la forêt...à votre assiette...[a]
  236. Deciduous forests of Eastern North America...[m]
  237. Delaware trees. A guide to the identification of the native tree species...[m]
  238. Descriptio uberior graminum et plantarum calamariarum americaes septentrionalis...[m]
  239. Descriptive list of vegetable varieties, introduced between 1936 and 1968 by pub...[m]
  240. Directory of public gardens : 8th edition...[m]
  241. Distribution of important forest trees of the United States...[m]
  242. Diversity... 1992...[a]
  243. Drosera in Eastern North America...[m]
  244. Drugs and medecines of North America...[m]
  245. Drugs and medecines of North America...[m]
  246. Drugs and medecines of North America...[m]
  247. Dyes form American native plants: A practical guide...[m]
  248. Early man in America: a study in prehistory...[m]
  249. Échinacée: Echinacea angustifolia, Echinacea purpurea...[m]
  250. Economic botany of Alabama...[m]
  251. Economic botany of the Kiowa Indians...[m]
  252. Economic Botany... 1982...[a]
  253. Economic Botany... 1987...[a]
  254. Economic Botany... 1987...[a]
  255. Economic Botany... 2000...[a]
  256. Economic Botany... 2003...[a]
  257. Economic Botany... 2003...[a]
  258. Edible and poisonous mushrooms of Canada...[m]
  259. Edible and poisonous mushrooms of Canada...[m]
  260. Edible wild plants of Eastern North America...[m]
  261. Edible wild plants of Eastern North America...[m]
  262. Edible wild plants of Eastern North America...[m]
  263. Edible wild plants of the Prairie: An ethnobotanical guide...[m]
  264. Edible wild plants...[m]
  265. Edible wild plants...[m]
  266. Edible wild plants: An annotated list of references...[m]
  267. Edible wild: A complete cookbook and guide to edible wild plants in Canada and N...[m]
  268. Elsevier's dictionary of plant names of North America including Mexico: In Latin...[m]
  269. En quête de solutions...[a]
  270. Encyclopaedia of the First People of North America...[m]
  271. Encyclopedia of trees : Canada and the United States...[m]
  272. Endangered plant species programs for botanic gardens with examples from North A...[m]
  273. Enumeration of North American Lichenes (...), with an essay on the natural syste...[m]
  274. Ethno-botany of the Black Americans...[m]
  275. Ethnobotany of the Menomini Indians...[m]
  276. Étude sur les violettes jaunes caulescentes de l'est de l'Amérique du Nord. I. T...[m]
  277. Europe et Amérique (nord-est). Flores comparées comprenant tous les genres europ...[m]
  278. European and N. American Bryineae (Mosses), Part 1: Pleurocapous , Part 2: Acro...[m]
  279. Exotic plant pests and North American agriculture...[m]
  280. Fairchild Tropical Garden Bulletin... 1992...[a]
  281. Familiar birds of North America: Eastern region...[m]
  282. Familiar trees of North America, Eastern region...[m]
  283. Family doctor (...) (with) a dispensatory of American botanical medicines (Canad...[m]
  284. Faune et flore de l'Amérique du Nord...[m]
  285. Faune et flore de l'Amérique du Nord...[m]
  286. Favorite plants: Proven perennials,annuals, flowering trees, shrubs, vines for e...[m]
  287. Feasting free on wild edibles...[m]
  288. Feeder birds: Eastern North America...[m]
  289. Feeding wild birds in winter...[m]
  290. Fern allies of North America north of Mexico...[m]
  291. Fern guide: Northeastern and Midland United States and adjacent Canada...[m]
  292. Fern herbal, including the ferns, the horsetails and the club mosses...[m]
  293. Fern lover's companion: A guide for the northeastern states and Canada...[m]
  294. Ferns and allied plants of New England...[m]
  295. Ferns of Maine...[m]
  296. Ferns of North America. (...). Vol. II...[m]
  297. Ferns of North America. (...). Vol. II...[m]
  298. Field and garden vegetables of America : containing full descriptions of nearly ...[m]
  299. Field book of American wild flowers...[m]
  300. Field book of American wild flowers...[m]
  301. Field book of common gilled mushrooms...[m]
  302. Field book of North American Mammals...[m]
  303. Field guide to butterflies...[m]
  304. Field guide to edible wild plants of Eastern and Central North America...[m]
  305. Field guide to edible wild plants...[m]
  306. Field guide to forest plants of Northern Idaho...[m]
  307. Field guide to insects, America north of Mexico...[m]
  308. Field guide to insects, America north of Mexico...[m]
  309. Field guide to insects, America north of Mexico...[m]
  310. Field guide to insects, America north of Mexico...[m]
  311. Field guide to insects, America north of Mexico...[m]
  312. Field guide to insects, America north of Mexico...[m]
  313. Field guide to insects, America north of Mexico...[m]
  314. Field guide to insects, America north of Mexico...[m]
  315. Field guide to insects, America north of Mexico...[m]
  316. Field guide to moths of Eastern North America (Eastern moths)...[m]
  317. Field guide to moths of Eastern North America (Eastern moths)...[m]
  318. Field guide to mushrooms North America...[m]
  319. Field guide to orchids of North America from Alaska, Greenland, and the Arctic...[m]
  320. Field guide to Rocky Mountain wildflowers: Northern Arizona and New Mexico to Br...[m]
  321. Field guide to the beetles of North America...[m]
  322. Field guide to the butterflies of North America, East of the Great Plains...[m]
  323. Field guide to the butterflies of North America, East of the Great Plains...[m]
  324. Field guide to the ferns and their related families...[m]
  325. Field guide to the ferns and their related families...[m]
  326. Field guide to the ferns and their related families...[m]
  327. Field guide to the ferns and their related families...[m]
  328. Field guide to the palms of the Americas...[m]
  329. Field guide to trees and shrubs...[m]
  330. Field guide to trees and shrubs...[m]
  331. Field guide to trees and shrubs...[m]
  332. Field guide to weeds...[m]
  333. Field guide to wildflowers of Northeastern and North-central North America...[m]
  334. Field guide to wildflowers of Northeastern and North-central North America...[m]
  335. Field guide to wildflowers of Northeastern and North-central North America...[m]
  336. Field guide to wildflowers of Northeastern and North-central North America...[m]
  337. Field guide to wildflowers of the Rocky Mountains...[m]
  338. Field, forest, and garden botany : a simple introduction to the common plants of...[m]
  339. Field, forest, and garden botany : a simple introduction to the common plants of...[m]
  340. Fifty edible plants of British Columbia...[a]
  341. Fifty edible plants of British Columbia...[m]
  342. Fifty edible plants of British Columbia...[m]
  343. Filicinées du Québec...[m]
  344. Fleurs sauvages du Canada...[m]
  345. Fleurs sauvages: Guide simplifié des fleurs sauvages communes du nord-est et du ...[m]
  346. Flora caroliniana...[m]
  347. Flora North America Report (1973): Report 65: Guide for contributors to FNA (Pro...[m]
  348. Flora North America Report (1973): Report 66: Guide for contributors to FNA, par...[m]
  349. Flora North America Report (1973): Report 71: International index of current res...[m]
  350. Flora North America: A provisional checklist of species for Flora North America...[m]
  351. Flora North America: A provisional checklist of species for Flora North America...[m]
  352. Flora of North America, north of Mexico. Volume 19: Magnoliophyta: Asteridae (in...[m]
  353. Flora of North America, north of Mexico. Volume 1: Introduction...[m]
  354. Flora of North America, north of Mexico. Volume 20: Magnoliophyta: Asteridae (in...[m]
  355. Flora of North America, north of Mexico. Volume 21: Magnoliophyta: Asteridae (in...[m]
  356. Flora of North America, north of Mexico. Volume 22: Magnoliophyta: Alismatidae, ...[m]
  357. Flora of North America, north of Mexico. Volume 23: Magnoliophyta: Commelinidae ...[m]
  358. Flora of North America, north of Mexico. Volume 24: Commelinidae (in part): Poac...[m]
  359. Flora of North America, north of Mexico. Volume 25: Magnoliophyta: Commelinidae ...[m]
  360. Flora of North America, north of Mexico. Volume 26: Magnoliophyta: Liliidae: Lil...[m]
  361. Flora of North America, north of Mexico. Volume 27: Bryophyta, part 1...[m]
  362. Flora of North America, north of Mexico. Volume 2: Pteridophytes and Gymnosperms...[m]
  363. Flora of North America, north of Mexico. Volume 3: Magnoliophyta: Magnoliidae an...[m]
  364. Flora of North America, north of Mexico. Volume 4: Magnoliophyta: Caryophyllidae...[m]
  365. Flora of North America, north of Mexico. Volume 5: Magnoliophyta: Caryophyllidae...[m]
  366. Flora of North America...[m]
  367. Flora of North America...[m]
  368. Flora of the Prairies and Plains of Central North America...[m]
  369. Flora Telluriana (4 pars)...[m]
  370. Flora virginica (exhibens plantas, quas nobilissimus vir D. Johannes Claytonius ...[m]
  371. Flora virginica (exhibens plantas, quas nobilissimus vir D. Johannes Claytonius ...[m]
  372. Flora virginica (exhibens plantas, quas nobilissimus vir D.D. Johannes Claytoniu...[m]
  373. Floralies internationales de Montréal. Colloques scientifiques. Perspectives d...[a]
  374. Floralies internationales de Montréal. Colloques scientifiques. Perspectives de...[a]
  375. Flore boreali-americana...[m]
  376. Flore boreali-americana...[m]
  377. Flore des champignons au Québec...[m]
  378. Flower guide: Wild flowers east of the Rockies...[m]
  379. Flower guide: Wild flowers east of the Rockies...[m]
  380. Flowers and herbs of early America...[m]
  381. Flowers of the wild: Ontario and the Great Lakes Region...[m]
  382. Flowers: A guide to familiar American wildflowers...[m]
  383. Food products of the North American Indians...[a]
  384. Food-from-the-woods cooking...[m]
  385. Foods of our forefathers...[m]
  386. Forest and shade trees of town...[m]
  387. Forest insect population dynamics...[m]
  388. Forest insects...[m]
  389. Forest Science... 1991...[a]
  390. Forest trees of Oklahoma - How to know them...[m]
  391. Forest trees of Texas: How to know them...[m]
  392. Forest...[m]
  393. Forest...[m]
  394. Forests: A naturalist's guide to trees and forest ecology...[m]
  395. Forêt conservation... 1987...[a]
  396. Forêts décidues de l'hémisphère nord...[m]
  397. Fougères, prêles et lycopodes...[m]
  398. Fougères, prêles et lycopodes...[m]
  399. Franc Nord... 1990...[a]
  400. Franc Vert... 1992...[a]
  401. Fruit key and twig key to trees and shrubs: Twig key to the Deciduous woody plan...[m]
  402. Fruit key and twig key to trees and shrubs: Twig key to the Deciduous woody plan...[m]
  403. Fruit key and twig key to trees and shrubs: Twig key to the Deciduous woody plan...[m]
  404. Fungi of Iowa parasitic on plants...[m]
  405. Garden insects of North America: The utlimate guide to backyard bugs...[m]
  406. Garden lover's guide to the West...[m]
  407. Garden spice and wild pot-herbs...[m]
  408. Garden spice and wild pot-herbs...[m]
  409. Garden touring in the Pacific Northwest: A guide to gardens and specialty nurser...[m]
  410. Garden... 1985...[a]
  411. Garden... 1988...[a]
  412. Gardener's travel book...[m]
  413. Gardening for good eating...[m]
  414. Gardens of North America and Hawaii: A traveler's guide...[m]
  415. Genera Lichenum: An arrangement of the North American Lichens...[m]
  416. Genesis of the American materia medica, ind. a biographical sketch of "John Joss...[m]
  417. Genus Dryas in North America...[m]
  418. Genus Habenaria in North America...[m]
  419. Genus Lesquerella (Cruciferae) in North America...[m]
  420. Genus Vaccinium in North America...[m]
  421. Geobotanische Institute der tidg. techn. Hochschule stiftung Rbel, Berichte... ...[a]
  422. Géographie physique et quaternaire... 1981...[a]
  423. Geraniums for the Iroquois: A field guide to American Indian medicinal plants...[m]
  424. Geraniums for the Iroquois: A field guide to American Indian medicinal plants...[m]
  425. Gourds of the Southeastern Indians...[m]
  426. Grama grasses: Bouteloua and related genera...[m]
  427. Grands Lacs : histoire naturelle d'une région en perpétuelle mutation...[m]
  428. Grasses of Alaska...[m]
  429. Gray's manual of botany...[m]
  430. Gray's manual of botany...[m]
  431. Gray's manual of botany...[m]
  432. Gray's manual of botany...[m]
  433. Gray's manual of botany...[m]
  434. Gray's new manual of botany : a handbook of the flowering plants and ferns of th...[m]
  435. Gray's new manual of botany : a handbook of the flowering plants and ferns of th...[m]
  436. Gray's new manual of botany : a handbook of the flowering plants and ferns of th...[m]
  437. Gray's new manual of botany : a handbook of the flowering plants and ferns of th...[m]
  438. Gray's new manual of botany: A handbook of the flowering plants and ferns of the...[m]
  439. Great Lakes forest : an environmental and social history...[m]
  440. Green Scene... 1988...[a]
  441. Growing and propagating showy native woody plants...[m]
  442. Guide d'identification des arbres du Canada...[m]
  443. Guide d'identification des arbres du Canada...[m]
  444. Guide d'identification des oiseaux de l'Amérique du Nord...[m]
  445. Guide d'identification des oiseaux de l'Amérique du Nord...[m]
  446. Guide des arbres de l'Amérique du Nord: Guide d'identification sur le terrain...[m]
  447. Guide des arbres de l'Amérique du Nord: Guide d'identification sur le terrain...[m]
  448. Guide des arbres de l'Amérique du Nord: Guide d'identification sur le terrain...[m]
  449. Guide des batraciens de l'Amérique du Nord...[m]
  450. Guide des fleurs sauvages du Québec...[m]
  451. Guide des oiseaux de l'est de l'Amérique du Nord...[m]
  452. Guide des plantes sauvages médicinales...[m]
  453. Guide photo des oiseaux du Québec et des Maritimes...[m]
  454. Guide to northeastern wild edibles...[m]
  455. Guide to nut tree culture in North America. Vol. 1...[m]
  456. Guide to the medicinal plants of the United States...[m]
  457. Guide to the medicinal plants of the United States...[m]
  458. Guide to the poisonous plants and weed seeds of Canada and the Northern United S...[m]
  459. Guide to the trees...[m]
  460. Guide to the wild flowers...[m]
  461. Guide to trees of Canada and North America...[m]
  462. Hallucinogenic plants of North America...[m]
  463. Handbook of edible weeds...[m]
  464. Handbook of native American herbs...[m]
  465. Handbook of Nebraska trees (rev.): A guide to the native and most important intr...[m]
  466. Handbook of North American Indians. Volume 15 : Northeast...[m]
  467. Handbook of North American Indians. Volume 6: Subarctic...[m]
  468. Handbook of the North American Uredinales : including citations and synonymy...[m]
  469. Handbook of the North American Uredinales, second edition : including citations,...[m]
  470. Hardiness of landscape tree cultivars...[m]
  471. Hardwood trees of Ontario...[m]
  472. Hardy orchids:orchids for the garden and frost-free glasshouse...[m]
  473. Hardy trees and shrubs: A guide to disease-resistant varieties for the north...[m]
  474. Harrowsmith... 1989...[a]
  475. Harrowsmith... 1991...[a]
  476. Harvest without planting: Eating and nibbling off the land...[m]
  477. Harvest without planting: Eating and nibbling off the land...[m]
  478. Haseltonia, Yearbook of the Cactus and Succulent Society of America... 1996...[a]
  479. Haseltonia, Yearbook of the Cactus and Succulent Society of America... 1998...[a]
  480. Healing woods: How my search for health in the woods opened up a new way of life...[m]
  481. Hepaticae of Norh America, , Part I., II., III....[m]
  482. Hepaticae of Norh America, , Part I...[m]
  483. Hepaticae of Norh America, , Part II....[m]
  484. Hepaticae of Norh America, , Part III....[m]
  485. Hepaticae of Norh America, , Part IV., V....[m]
  486. Hepaticae of Norh America, , Part IV....[m]
  487. Hepaticae of Norh America, , Part V....[m]
  488. Herb gardening...[m]
  489. Herb Quarterly... 1993...[a]
  490. Herb Quarterly... 1998...[a]
  491. Herbal medicine past and present; volume 1: Trying to give ease...[m]
  492. Herbal medicine past and present; volume 2: A reference guide to medicinal plant...[m]
  493. Herbertia... 1985...[a]
  494. Herbertia... 1989...[a]
  495. Herbertia... 1990...[a]
  496. Herbs: Partners in life. Healing, gardening, and cooking with wild plants...[m]
  497. Hidden orchids: A photographic discovery of the disappearing native orchids of t...[m]
  498. High and dry: Gardening with cold-hardy dryland plants...[m]
  499. History and folklore of North American wildflowers...[m]
  500. Horticultural reviews,vol.15...[m]
  501. Horticultural Reviews... 1993...[a]
  502. Horticulture... 1992...[a]
  503. Horticulture... 2002...[a]
  504. Horticulture... 2004...[a]
  505. Horticulture... 2005...[a]
  506. Host index of the fungi of North America...[m]
  507. How to create your own wildflower meadow...[m]
  508. How to grow wildflowers and wild shrubs and trees in your own garden...[m]
  509. How to grow wildflowers and wild shrubs and trees in your own garden...[m]
  510. How to know the fall flowers: Picture-keys for determining the more common fall-...[m]
  511. How to know the grasses: Picture-keys for determining the common and important A...[m]
  512. How to know the mosses and liverworts...[m]
  513. How to know the mosses: A popular guide to the mosses of the Northeastern United...[m]
  514. How to know the spring flowers: Picture-keys for determining the more common spr...[m]
  515. How to know the trees: An illustrated key to the most common species of trees fo...[m]
  516. How to know the weeds: Picture-keys for identifying the more common weeds of far...[m]
  517. How to know the wild flowers...[m]
  518. How to know the wild flowers...[m]
  519. How to know the wild flowers...[m]
  520. How to know wild fruits...[m]
  521. How to stay alive in the woods...[m]
  522. Hybridization in the genus Carex with special reference to North America...[m]
  523. Icones muscorum or figures and descriptions of most of those mosses peculiar to ...[m]
  524. Icones muscorum or figures and descriptions of most of those mosses peculiar to ...[m]
  525. Illustrated flora of Northern United States and Canada...[m]
  526. Illustrated flora of Northern United States and Canada...[m]
  527. Illustrated flora of Northern United States and Canada...[m]
  528. Illustrated flora of Northern United States, Canada and the British possessions....[m]
  529. Illustrated flora of Northern United States, Canada and the British possessions....[m]
  530. Illustrated flora of Northern United States, Canada and the British possessions....[m]
  531. Illustrated flora of the Pacific States: Bignonias to Sunflowers...[m]
  532. Illustrated flora of the Pacific States: Buck wheats to Kramerias...[m]
  533. Illustrated flora of the Pacific States: Ferns to birth worts...[m]
  534. Illustrated flora of the Pacific States: Geraniums to Figworts...[m]
  535. Illustrated manual of California shrubs...[m]
  536. Illustrated taxonomy manual of weed seeds...[m]
  537. Illustrations of flowering plants of the middle Atlantic and New England States...[m]
  538. Illustrations of the vascular plants of Northeastern United States and adjacent ...[m]
  539. Immigration des espèces florales eurasiatiques dans l'Amérique du Nrd...[m]
  540. Index to fungi Columbiani : Century I-LI...[m]
  541. Index to North American ferns: Constituting a catalogue to the ferns and fern al...[m]
  542. Index to Thomas Walter's flora caroliniana (1788)...[m]
  543. Indian basketry, and how to make Indian and other baskets...[m]
  544. Indian doctor book: Nature's method of curing and preventing disease according t...[m]
  545. Indian doctor's dispensatory being Father Smith's advice...[m]
  546. Indian herbalogy of North America...[m]
  547. Indian herbalogy of North America...[m]
  548. Indian herbalogy of North America...[m]
  549. Indian use of wild plants for crafts, food, medicine, and charms...[m]
  550. Indien généreux: Ce que le monde doit aux Amériques...[m]
  551. Indiens, peuples d'Amérique...[m]
  552. insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  553. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  554. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  555. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  556. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  557. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  558. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  559. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  560. Insectes de l'Amérique du Nord (au nord du Mexique)...[m]
  561. Insects: A simplified field guide to the common insects of North America...[m]
  562. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 1: G...[m]
  563. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 2, P...[m]
  564. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 3, P...[m]
  565. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 3, P...[m]
  566. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 4: S...[m]
  567. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 5: A...[m]
  568. Intermountain flora: Vascular plants of the Intermountain West, USA. Volume 6: T...[m]
  569. International bibliography of vegetation maps; vol.1: North America...[m]
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  571. International Oak Society, Journal... 1995...[a]
  572. International Plant Propagators'Society, Combined Proceedings... 1994...[a]
  573. Invasive plants: Guide to the identification and control of common North America...[m]
  574. Investigation of the properties of the Sanguinaria canadensis:or Puccoon...[m]
  575. Investigations of North American Cycadeoids: Microsporangiate structures and phy...[m]
  576. Investigations of North American Cycadeoids: Monanthesia...[m]
  577. Iroquois medical botany...[m]
  578. Iroquois uses of maize and other food plants...[m]
  579. James Kucyniak 1919-1962: Oeuvres botaniques...[m]
  580. Jardins botaniques nord-américains: des jardins tournés vers le public (Les)...[a]
  581. John Muir's wild America...[m]
  582. John Torrey: A story of North American botany...[m]
  583. Journal Entomological Society... 1981...[a]
  584. Journal kept by David Douglas during his travels in North America 1823-1827...[m]
  585. Journal manuscrit de Michaux...[m]
  586. Journal of Arboriculture... 1993...[a]
  587. Journal of Arboriculture... 1994...[a]
  588. Journal of Environmental Horticulture... 1997...[a]
  589. Journal of Garden History... 1996...[a]
  590. Just weeds: History, myths, and uses...[m]
  591. Keepers of the night: Native stories and nocturnal activities for children...[m]
  592. Keeping it living: Traditions of plant use and cultivation on the Northwest Coas...[m]
  593. Key and synopsis of North American Hordeum species...[m]
  594. Keys to woody plants...[m]
  595. Know your trees, rev. ed....[m]
  596. Knowing your trees...[m]
  597. Knowing your trees...[m]
  598. Lackeya, a new genus in tribe Phaseoleae subtribe Diocleinae (Leguminosae: Papil...[m]
  599. Landscaping with native trees...[m]
  600. Lichen handbook: A guide to the lichens of Eastern North America...[m]
  601. Lichens of North America...[m]
  602. Lichens, les mousses et les hépatiques du Québec et leur rôle dans la formation ...[m]
  603. Lichens...[m]
  604. Life, land and water...[m]
  605. Lindleyana... 1991...[a]
  606. Lindleyana... 1992...[a]
  607. Lindleyana... 1999...[a]
  608. Linear-leaved North American species of Potamogeton, section axillares...[m]
  609. Liverworts of the northwest...[m]
  610. Louisiana trees and shrubs...[m]
  611. Macmillan wild flower book...[m]
  612. Makers of North American botany...[m]
  613. Making the edible landscape : a study or urban agriculture in Montreal...[m]
  614. Mammals: A guide to familiar American species...[m]
  615. Mammifères du Québec et de l'Est du Canada...[m]
  616. Mammifères du Québec et de l'Est du Canada...[m]
  617. Manual of grasses for North America...[m]
  618. Manual of the Carices of the Rocky Mountains and Colorado Basin...[m]
  619. Manual of the medical botany of North America...[m]
  620. Manual of the mosses of North America...[m]
  621. Manual of the mosses of North America...[m]
  622. Manual of the rusts in United States and Canada...[m]
  623. Manual of the trees of North America (exclusive of Mexico)...[m]
  624. Manual of the trees of North America (exclusive of Mexico)...[m]
  625. Manual of the trees of North America (exclusive of Mexico)...[m]
  626. Manual of the trees of North America (exclusive of Mexico)...[m]
  627. Manual of the trees of North America (exclusive of Mexico)...[m]
  628. Manual of vascular plants of Northeastern United States and adjacent Canada...[m]
  629. Manual of vascular plants of Northeastern United States and adjacent Canada...[m]
  630. Manual of vascular plants of Northeastern United States and adjacent Canada...[m]
  631. Manual of vascular plants of Northeastern United States and adjacent Canada...[m]
  632. Mark Catesby's natural history of America...[m]
  633. Materia medica americana potissimum regni vegetabilis erlangae (...)...[m]
  634. Médecine des Indiens d'Amérique...[m]
  635. Médecine naturelle amérindienne: plantes et remèdes pour soigner le corps, guéri...[m]
  636. Medicinal plants of North America...[m]
  637. Medicinal plants: An illustrated and descriptive guide to plants indigenous and ...[m]
  638. Medicinal plants: An illustrated and descriptive guide to plants indigenous and ...[m]
  639. Medicinal plants: An illustrated and descriptive guide to plants indigenous and ...[m]
  640. Medicinal wild plants of the Prairie: An ethnobotanical guide...[m]
  641. Memoirs of the life and botanical travels of André Michaux. Notice historique su...[m]
  642. Michigan wildflowers...[m]
  643. Migration nordique du mas (La)...[a]
  644. Millepertuis: Hypericum perforatum...[m]
  645. Minnesota algae. Volume I: The Myxophyceae of North America and adjacent regions...[m]
  646. Missouri Botanical Garden, Annals... 1984...[a]
  647. Missouri Botanical Garden, Annals... 1986...[a]
  648. Missouri Botanical Garden, Annals... 1999...[a]
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  650. Monograph of the grasses of the United States and British America...[m]
  651. Monograph of the North American species of Carex...[m]
  652. Moss flora of North America north of Mexico, Volume I., part 1...[m]
  653. Moss flora of North America north of Mexico, Volume I., part 2...[m]
  654. Moss flora of North America north of Mexico, Volume I., part 3...[m]
  655. Moss flora of North America north of Mexico, Volume I., part 4...[m]
  656. Moss flora of North America north of Mexico, Volume II., part 1...[m]
  657. Moss flora of North America north of Mexico, Volume II., part 2...[m]
  658. Moss flora of North America north of Mexico, Volume II., part 3...[m]
  659. Moss flora of North America north of Mexico, Volume II., part 4...[m]
  660. Moss flora of North America north of Mexico, Volume III., part 1...[m]
  661. Moss flora of North America north of Mexico, Volume III., part 2...[m]
  662. Moss flora of North America north of Mexico, Volume III., part 3...[m]
  663. Moss flora of North America north of Mexico, Volume III., part 4...[m]
  664. Mosses of Eastern North America. Volume 1...[m]
  665. Mosses of Eastern North America. Volume 2...[m]
  666. Mosses of Indiana...[m]
  667. Mosses of Michigan...[m]
  668. Mosses with a hand-lens: A popular guide of the common or conspicuous mosses and...[m]
  669. Mosses with hand-lens and microscope...[m]
  670. Moth book: A guide to the moths of North America...[m]
  671. Mount Royal, Montreal...[m]
  672. Mountain wild flowers of Canada...[m]
  673. Municipalité... 1985...[a]
  674. Mushroom, edible and otherwise: Its habitat ant its time of growth...[m]
  675. Mushrooms demystified...[m]
  676. Mushrooms of North America...[m]
  677. Mushrooms of the Greats Lakes region : the fleshy, leathery and woody fungi of I...[m]
  678. My own book of three flowers which blossom in April...[m]
  679. My wild friends: free food from field and forest...[m]
  680. Mycetozoa of North America : based upon the specimens in the herbarium of the Ne...[m]
  681. Mycologue... 1999...[a]
  682. Naming and registering new cultivars...[m]
  683. National Audubon Society field guide to North American wildflowers, Eastern regi...[m]
  684. National Audubon Society Interactive CD-ROM guide to North American birds...[m]
  685. National Geographic (édition française)... 2003...[a]
  686. National Geographic... 1981...[a]
  687. National Geographic... 1983...[a]
  688. National Geographic... 1992...[a]
  689. National Geographic... 1993...[a]
  690. National Geographic... 1993...[a]
  691. National Geographic... 1994...[a]
  692. National Geographic... 1995...[a]
  693. National list of scientific plant names; volume 1: list of plant names...[m]
  694. National list of scientific plant names; volume 2: Synonymy...[m]
  695. National Museum of Natural Science, Bulletin... 1992...[a]
  696. Native American ethnobotany...[m]
  697. Native American ethnobotany...[m]
  698. Native and cultivated conifers of Northeastern North America: A guide...[m]
  699. Native and naturalized trees of Illinois...[m]
  700. Native ferns, moss & grasses. From emerald carpet to amber wave: Serene and sens...[m]
  701. Native ferns, moss & grasses. From emerald carpet to amber wave: Serene and sens...[m]
  702. Native orchids of Florida...[m]
  703. Native orchids of Kansas...[m]
  704. Native orchids of North America, North of Mexico...[m]
  705. Native Orchids of the Southern Appalachian Mountains...[m]
  706. Native orchids of the United States and Canada, excluding Florida...[m]
  707. Native plants in the coastal garden: A guide for gardeners in British Columbia a...[m]
  708. Native trees for North American landscapes...[m]
  709. Native trees for North American landscapes...[m]
  710. Native trees of Georgia...[m]
  711. Native trees of Newfoundland-Labrador...[m]
  712. Native trees, shrubs, and vines for urban and rural America: A planting design m...[m]
  713. Native trees, shrubs, and vines for urban and rural America: A planting design m...[m]
  714. Native trees, shrubs, vines: A guide to using, growing, and propagating North Am...[m]
  715. Native wild plants of Eastern Canada and the adjacent Northeastern United States...[m]
  716. Native wild plants of Eastern Canada and the adjacent Northeastern United States...[m]
  717. Natural vegetation of North America...[m]
  718. Naturalist's guide to the Americas...[m]
  719. Naturaliste canadien... 1982...[a]
  720. Naturaliste canadien... 1982...[a]
  721. Naturaliste canadien... 1991...[a]
  722. Naturaliste canadien... 2002...[a]
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  724. Nature Magazine, Special Educational Inserts......[a]
  725. Nature Magazine, Special Educational Inserts......[a]
  726. Nature Magazine, Special Educational Inserts......[a]
  727. Nature's garden...[m]
  728. New American Asteraceae...[m]
  729. New american botanist and florist...[m]
  730. New Britton and Brown illustrated flora of Northeastern United States and adjace...[m]
  731. New Britton and Brown illustrated flora of Northeastern United States and adjace...[m]
  732. New Britton and Brown illustrated flora of Northeastern United States and adjace...[m]
  733. New Britton and Brown illustrated flora of Northeastern United States and adjace...[m]
  734. New Britton and Brown illustrated flora of Northeastern United States and adjace...[m]
  735. New Britton and Brown illustrated flora of Northeastern United States and adjace...[m]
  736. New England Wild Flower Society Guide to Growing and Propagating Wildflowers of ...[m]
  737. New flora of North America...[m]
  738. New green world...[m]
  739. New illustrated encyclopedia of gardening, unabridged: Wild flowers of America...[m]
  740. New Plantsman,The... 1998...[a]
  741. New-Englands Rarities (...)...[m]
  742. Noms français des oiseaux d'Amérique du Nord...[m]
  743. Noms français des oiseaux du Canada et des États-Unis continentaux...[m]
  744. North America's rainforest...[m]
  745. North American Bonsai...[m]
  746. North American Boreal and Western Temperate Forest Vegetation (Syntaxonomical sy...[m]
  747. North American Cariceae. Volume I (Plates 1-269)...[m]
  748. North American Cariceae. Volume II (Plates 270-539)...[m]
  749. North American Cup-fungi (Operculates) : supplement...[m]
  750. North American cup-fungi (Operculates)...[m]
  751. North American cup-fungi (Operculates)...[m]
  752. North American Flora, Vol. 15A, part 1, Family 14. Orthotrichaceae...[m]
  753. North American flora. Volume 18, Part 1: (Poales), Cyperaceae - Cariceae...[m]
  754. North American Flora: Onagraceae...[m]
  755. North American forests: Geography, ecology and silviculture...[m]
  756. North American Horticulture: A reference guide...[m]
  757. North American Horticulture: A reference guide...[m]
  758. North American landscape trees...[m]
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  760. North American Native Orchid Journal... 1996...[a]
  761. North American Native Orchid Journal... 1998...[a]
  762. North American Native Orchid Journal... 1999...[a]
  763. North American Native Orchid Journal... 1999...[a]
  764. North American native terrestrial orchid. Propagation and production...[m]
  765. North American native terrestrial orchids: Propagation and production...[m]
  766. North American rock plants (first series)...[m]
  767. North American slime-moulds : a descriptive list of all species of myxomycetes h...[m]
  768. North American Sordariaceae...[m]
  769. North American species of Aquilegia...[m]
  770. North American species of Aristida...[m]
  771. North American species of Clavaria, with illustrations of the type specimens...[m]
  772. North American species of Festuca...[m]
  773. North American species of Panicum...[m]
  774. North American species of Panicum...[m]
  775. North American species of Paspalum...[m]
  776. North American species of Pennisetum...[m]
  777. North American species of Stipa...[m]
  778. North American terrestrial vegetation...[m]
  779. North American trees (exclusive of Mexico and tropical United States): A handboo...[m]
  780. North American Uredinales : Century I-XXXV...[m]
  781. North American Ustilagineae...[m]
  782. North American wildflowers...[m]
  783. Northeastern trees in winter...[m]
  784. Northeastern trees in winter...[m]
  785. Northern polypores...[m]
  786. Northern Rocky Mountain trees and shrubs...[m]
  787. Northwest penstemons: 80 species of Penstemon native to the Pacific Northwest...[m]
  788. Nos oiseaux, tome II...[m]
  789. Notes on the plants used by the Klamath Indians of Oregon...[m]
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  791. Novon, Journal of Botanical Nomenclature... 1999...[a]
  792. Odyssey book of American wildflowers...[m]
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  794. Oiseaux du Québec et des Maritimes...[m]
  795. Oiseaux du Québec et des Maritimes...[m]
  796. Old-growth forest compendium: 38 articles from the Natural Areas Journal...[m]
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  798. Or vert... 1988...[a]
  799. Or vert... 1988...[a]
  800. Orchid Digest... 1982...[a]
  801. Orchidaceae of Iowa...[m]
  802. Orchidee (Die)... 1999...[a]
  803. Orchids of British Columbia...[m]
  804. Orchids of Indiana...[m]
  805. Orchids of Maine...[m]
  806. Orchids of Michigan...[m]
  807. Orchids of Michigan...[m]
  808. Orchids of Minnesota...[m]
  809. Orchids of the Western Great Lakes Region...[m]
  810. Orchids of Western Pennsylvania...[m]
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  812. Organic Gardening... 1992...[a]
  813. Organic Gardening... 1993...[a]
  814. Origins of the Cordilleran flora...[m]
  815. Ornithology in laboratory and field...[m]
  816. Our continent: A natural history of North America...[m]
  817. Our native ferns and their allies, with synoptical descriptions of the American ...[m]
  818. Our native trees and how to identify them...[m]
  819. Our Northern shrubs; and how to identify them...[m]
  820. Our wild Orchids...[m]
  821. Pacific Horticulture... 1995...[a]
  822. Paysages et nature en Amérique du Nord...[m]
  823. Pennsylvania trees...[m]
  824. Perennial Plant Symposium... 1998...[a]
  825. Perennial Plant Symposium... 1998...[a]
  826. Perennials (catalogue)...[m]
  827. Perennials (catalogue)...[m]
  828. Perennials weeds: Characteristics and identification of selected herbaceous spec...[m]
  829. Peupliers de la section Tacamahaca en Amérique du Nord...[m]
  830. Photographing wildlife...[m]
  831. Phytogeographic survey of North America...[m]
  832. Phytoma (cahiers)... 1988...[a]
  833. Places... 1986...[a]
  834. Plant classification...[m]
  835. Plant geography, with special reference to North America...[m]
  836. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  837. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  838. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  839. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  840. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  841. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  842. Plantes sauvages des lacs, rivières et tourbières: Guide d'identification Fleurb...[m]
  843. Plantes sauvages des montagnes Rocheuses...[m]
  844. Planting the future...[m]
  845. Plants for Stormwater Design: Species selection for the Upper Midwest...[m]
  846. Plants of Southern Interior British Columbia...[m]
  847. Plants of Western Oregon, Washington & Bristish Columbia...[m]
  848. Plants used as curatives by certain Southeastern tribes...[m]
  849. Pocket guide to the trees and shrubs of British Columbia...[m]
  850. Pocket guide to the trees...[m]
  851. Pocket guide to trees: How to identify and enjoy them...[m]
  852. Pocket guide to wildflowers: How to identify and enjoy them...[m]
  853. Pods: Wildflowers and weeds in their final beauty...[m]
  854. Pods: Wildflowers and weeds in their final beauty...[m]
  855. Pogonia and its allies in the Northeastern United States and other papers...[m]
  856. Poison ivy, poison sumac, and other rash-producing plants...[m]
  857. Poisonous plants of the Central United States...[m]
  858. Poisonous plants of the United States and Canada...[m]
  859. Poisonous plants of the United States and Canada...[m]
  860. Poisonous plants of the United States and Canada...[m]
  861. Polyporaceae of the middle-western United States...[m]
  862. Polytrichaceae of Western North America...[m]
  863. Prairie plants for the Midwest: Identification and ecology...[m]
  864. Preliminary revision of the North American species of Cactus, Anhalonium, Lophop...[m]
  865. Preliminary revision of the north American species of Echinocactus, Cereus, and ...[m]
  866. Primroses... 1999...[a]
  867. Principales maladies des arbres au Québec...[m]
  868. Proceedings of the International Scholarly Symposium on Bonsai and Viewing Stone...[m]
  869. Projet Flora North America (Le)...[a]
  870. Protected plants of Georgia: An information manual on plants designated by the ...[m]
  871. Provisional checklist of species for Flora North America (Revised)...[m]
  872. Pteridophytes of Mexico...[m]
  873. Public Garden... 1996...[a]
  874. Redesigning the American lawn: A search for environmental harmony...[m]
  875. Report on the trees and shrubs growing naturally in the forests of Massachusetts...[m]
  876. Restoring diversity: Strategies for reintroduction of endangered plants....[m]
  877. Revision of North American Umbelliferae...[m]
  878. Revision of North American Umbelliferae...[m]
  879. Revision of the american species of Euphorbia of the section Tithymalus occuring...[m]
  880. Revision of the genus Listera (A)...[a]
  881. Revision of the North American species of Erigeron, North of Mexico...[m]
  882. Revision of the subgenus Pycreus in North and South America...[m]
  883. Revisions of North American grasses...[m]
  884. Revisions of North American grasses: Isachne, Oplismenus, Echinochloa, and Chaet...[m]
  885. Rhodora... 1983...[a]
  886. Rhodora... 1984...[a]
  887. Rhodora... 1986...[a]
  888. Rhodora... 1986...[a]
  889. Rhodora... 1988...[a]
  890. Rock garden design and construction...[m]
  891. Rock garden plants of North America...[m]
  892. Rocky mountain flower finder...[m]
  893. Rocky Mountain trees...[m]
  894. Rocky mountain wild flowers...[m]
  895. RUAB: Références utiles en agriculture biologique...[m]
  896. Rubus in North America...[m]
  897. Sacred plant medicine: The wisdom in native American herbalism...[m]
  898. Savor & flavor: Berries in fact and fancy...[m]
  899. Science... 1982...[a]
  900. Science... 1984...[a]