North American wild flowers

Western Larch (Larix occidentalis) (1925)

Western Larch (Larix occidentalis) (1925)

Western Menziesia (Menziesia glabella) (1925)

大字杜鹃组

Western Menziesia (Menziesia glabella) (1925)

Western Monkeyflower (Mimulus guttatus) (1925)

斑点猴面花

Western Monkeyflower (Mimulus guttatus) (1925)

Western Mountain-ash (Sorbus sambucifolia) (1925)

花楸属

Western Mountain-ash (Sorbus sambucifolia) (1925)

Western Pipsissewa (Chimaphila umbellata var. occidentalis) (1925)

伞形喜冬草

Western Pipsissewa (Chimaphila umbellata var. occidentalis) (1925)

Western Rattlesnakeplantain (Peramium decipiens) (1925)

Western Rattlesnakeplantain (Peramium decipiens) (1925)

Western Yarrow (Achillea lanulosa) (1925)

蓍属

Western Yarrow (Achillea lanulosa) (1925)

White Dawnrose (Pachyloplus marginatus) (1925)

White Dawnrose (Pachyloplus marginatus) (1925)

White Dryad (flower) (Dryas octopetala) (1925)

仙女木

White Dryad (flower) (Dryas octopetala) (1925)

White Dryad (fruit) (Dryas octopetala) (1925)

仙女木

White Dryad (fruit) (Dryas octopetala) (1925)

White Epidendrum (Epidendrum nocturnum) (1925)

粉瘤菌属

White Epidendrum (Epidendrum nocturnum) (1925)

White Globeflower (Trollius albiflorus) (1925)

金莲花属

White Globeflower (Trollius albiflorus) (1925)

White Pea (Lathyrus ochroleucus) (1925)

苍白连理草

White Pea (Lathyrus ochroleucus) (1925)

White Thistle (Cirsium hookerianum) (1925)

麋鹿薊

White Thistle (Cirsium hookerianum) (1925)

White Troutlily (Erythronium albidum) (1925)

白猪牙花

White Troutlily (Erythronium albidum) (1925)

Whitebark Pine (Pinus albicaulis) (1925)

白皮五针松

Whitebark Pine (Pinus albicaulis) (1925)

Whiteflowering Raspberry (Rubus parviflorus) (1925)

顶针莓

Whiteflowering Raspberry (Rubus parviflorus) (1925)

Wild Calla (Calla palustris) (1925)

Wild Calla (Calla palustris) (1925)

Wild Calla (Calla palustris) (1925)

Wild Sweet Crab (Malus coronaria) (1925)

花冠海棠

Wild Sweet Crab (Malus coronaria) (1925)

Winterberry (Ilex verticillata) (1925)

加拿大冬青

Winterberry (Ilex verticillata) (1925)

Witch-hazel (Hamamelis virginiana) (1925)

北美金缕梅

Witch-hazel (Hamamelis virginiana) (1925)

Wood Merrybells (Uvularia perfoliata) (1925)

垂铃儿属

Wood Merrybells (Uvularia perfoliata) (1925)

Wood Skullcap (Scutellaria serrata) (1925)

艳黄芩

Wood Skullcap (Scutellaria serrata) (1925)

Woodnymph (Moneses uniflora) (1925)

独丽花

Woodnymph (Moneses uniflora) (1925)

Woolly Agoseris (Agoseris villosa) (1925)

高莛苣属

Woolly Agoseris (Agoseris villosa) (1925)

Woolly Arnica (Arnica tomentosa) (1925)

黏菊族

Woolly Arnica (Arnica tomentosa) (1925)

Wright Pentstemon (Pentstemon wrightii) (1925)

钓钟柳属

Wright Pentstemon (Pentstemon wrightii) (1925)

Yaupon (Ilex vomitoria) (1925)

催吐冬青

Yaupon (Ilex vomitoria) (1925)

Yellow Cucumbertree (Magnolia cordata) (1925)

黄尖头玉兰

Yellow Cucumbertree (Magnolia cordata) (1925)

Yellow Dryad (flower) (Dryas drummondii) (1925)

仙女木属

Yellow Dryad (flower) (Dryas drummondii) (1925)

Yellow Dryad (fruit) (Dryas drummondii) (1925)

仙女木属

Yellow Dryad (fruit) (Dryas drummondii) (1925)

Yellow Fringeorchid (Habenaria ciliaris) (1925)

纤毛舌唇兰

Yellow Fringeorchid (Habenaria ciliaris) (1925)

Yellow Pentstemon (Pentstemon confertus) (1925)

钓钟柳属

Yellow Pentstemon (Pentstemon confertus) (1925)

Yellow Troutlily (Erythronium americanum) (1925)

美洲猪牙花

Yellow Troutlily (Erythronium americanum) (1925)

Yellow Willow-weed (Epilobium lutem) (1925)

柳叶菜属

Yellow Willow-weed (Epilobium lutem) (1925)

Yucca (Yucca baileyi) (1925)

Yucca (Yucca baileyi) (1925)

Zenobia (Zenobia cassinifolia) (1925)

Zenobia (Zenobia cassinifolia) (1925)

a Kruhsea (fruit) (Kruhsea streptopoides) (1925)

a Kruhsea (fruit) (Kruhsea streptopoides) (1925)

a Kruhsea (fruit) (Kruhsea streptopoides) (1925)

a Red Chokeberry (fruit) (Aronia arbutifolia) (1925)

红苦味果

a Red Chokeberry (fruit) (Aronia arbutifolia) (1925)

a Southern Magnolia (fruit) (Magnolia grandiflora) (1925)

广玉兰

a Southern Magnolia (fruit) (Magnolia grandiflora) (1925)