Klassifikation der Library of Congress [LCC] (USA)QK475.W6413

agriculture(337) animals(372) apples(364) art(947) bees(130) biology(3,535) botany(12,586) Britain(265) California(545) Canada(324) children(493) children's(602) conservation(143) cooking(356) desert(331) deserts(112) earth(163) Eastern United States(73) ecology(1,572) ecosystems(89) environment(794) Europe(213) evolution(248) fall(1,239) flowers(3,628) food(1,151) forest(224) garden(1,116) gardening(3,898) gardens(431) growing(345) growth(144) guide(903) guidebook(463) health(371) herbalism(414) history(1,053) horticulture(780) informational(560) leaves(1,025) life cycle(766) life science(410) medicine(312) natural science(214) natural world(95) nature(9,997) nature writing(120) North America(1,110) outdoors(308) photographs(174) photography(292) picture book(1,717) poison(110) prairie(103) reference(3,734) roots(130) science(9,687) science nonfiction(99) seed(215) self-sufficiency(106) Southwest(203) spring(729) sunflowers(85) survival(194) Texas(327) tree(369) trees(7,787) usa(548) wildlife(163)