North American wild flowers

Mountain Ladyslipper (Cypripedium montanum) (1925)

杓兰属

Mountain Ladyslipper (Cypripedium montanum) (1925)

Pussy-ears (Calochortus elegans) (1925)

蝴蝶百合属

Pussy-ears (Calochortus elegans) (1925)

False Locoweed (Oxytropis gracilis) (1925)

棘豆属

False Locoweed (Oxytropis gracilis) (1925)

Nodding Ladies-tresses (Ibidium cernuum) (1925)

鸟巢兰属

Nodding Ladies-tresses (Ibidium cernuum) (1925)

Pink Fumeroot (Capnoides sempervirens) (1925)

红堇

Pink Fumeroot (Capnoides sempervirens) (1925)

Sun-dial Lupine (Lupinus perennis) (1925)

宿根羽扇豆

Sun-dial Lupine (Lupinus perennis) (1925)

Big Whortleberry (Vaccinium membranaceum) (1925)

膜质越橘

Big Whortleberry (Vaccinium membranaceum) (1925)

Pinebarren Gentian (Gentiana porphyrio) (1925)

龙胆目

Pinebarren Gentian (Gentiana porphyrio) (1925)

Skeletonflower (Lygodesmia juncea) (1925)

紫莴苣属

Skeletonflower (Lygodesmia juncea) (1925)

Lake Louise Arnica (Arnica louiseana) (1925)

黏菊族

Lake Louise Arnica (Arnica louiseana) (1925)

Red Lily (Lilium montanum) (1925)

百合属

Red Lily (Lilium montanum) (1925)

Cottongrass (Eriophorum chamissonis) (1925)

沙米索羊胡子草

Cottongrass (Eriophorum chamissonis) (1925)

Vernal Iris (Iris verna) (1925)

天门冬目

Vernal Iris (Iris verna) (1925)

Anemonella (Syndesmon thalictroides) (1925)

Anemonella (Syndesmon thalictroides) (1925)

Anemonella (Syndesmon thalictroides) (1925)

White Troutlily (Erythronium albidum) (1925)

白猪牙花

White Troutlily (Erythronium albidum) (1925)

Hazel Alder (Alnus rugosa) (1925)

桤木属

Hazel Alder (Alnus rugosa) (1925)

Tarflower (Befaria racemosa) (1925)

七瓣杜鹃属

Tarflower (Befaria racemosa) (1925)

Alpine Fir (Abies lasiocarpa) (1925)

毛果冷杉

Alpine Fir (Abies lasiocarpa) (1925)

Oconee-bells (Shortia galacifolia) (1925)

北美岩扇

Oconee-bells (Shortia galacifolia) (1925)

Virginia Bluebells (Mertensia virginica) (1925)

滨紫草

Virginia Bluebells (Mertensia virginica) (1925)

Burgess Milkvetch (Astragalus bourgovii) (1925)

黄芪属

Burgess Milkvetch (Astragalus bourgovii) (1925)

Greendragon (Arisaema dracontium) (1925)

龙根天南星

Greendragon (Arisaema dracontium) (1925)

Toad Trillium (Trillium sessile) (1925)

藜芦科

Toad Trillium (Trillium sessile) (1925)

Southern Magnolia (flower) (Magnolia grandiflora) (1925)

广玉兰

Southern Magnolia (flower) (Magnolia grandiflora) (1925)

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

广玉兰

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

Trumpetleaf (Sarracenia flava) (1925)

黄瓶子草

Trumpetleaf (Sarracenia flava) (1925)

Redbud (Cercis canadensis) (1925)

加拿大紫荆

Redbud (Cercis canadensis) (1925)

Tall Larkspur (Delphinium elongatum) (1925)

翠雀属

Tall Larkspur (Delphinium elongatum) (1925)

Rhodora (Rhodora canadensis) (1925)

Rhodora (Rhodora canadensis) (1925)

Rhodora (Rhodora canadensis) (1925)

Pickerelweed (Pontederia cordata) (1925)

梭鱼草

Pickerelweed (Pontederia cordata) (1925)

Creeping Hollygrape (Berberis repens) (1925)

匍匐十大功劳

Creeping Hollygrape (Berberis repens) (1925)

Red Chokeberry (flower) (Aronia arbutifolia) (1925)

红苦味果

Red Chokeberry (flower) (Aronia arbutifolia) (1925)

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

红苦味果

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

Devilsclub (Echinopanax horridum) (1925)

东北刺人参

Devilsclub (Echinopanax horridum) (1925)

Crested Iris (Iris cristata) (1925)

饰冠鸢尾

Crested Iris (Iris cristata) (1925)

Lily Twayblade (Liparis liliifolia) (1925)

舞毒蛾

Lily Twayblade (Liparis liliifolia) (1925)

Missouri Pricklypear (Opuntia polyacantha) (1925)

猬团扇

Missouri Pricklypear (Opuntia polyacantha) (1925)

Butterflyweed (Asclepias tuberosa) (1925)

柳叶马利筋

Butterflyweed (Asclepias tuberosa) (1925)

Skunkcabbage (Spathyema foetida) (1925)

Skunkcabbage (Spathyema foetida) (1925)

Skunkcabbage (Spathyema foetida) (1925)

Red-osier Dogwood (Cornus stolonifera) (1925)

紅枝山茱萸

Red-osier Dogwood (Cornus stolonifera) (1925)

Birdsfoot Violet (Viola pedata) (1925)

鸟足堇菜

Birdsfoot Violet (Viola pedata) (1925)

Virginia Spiderwort (Tradescantia virginiana) (1925)

鸭跖草目

Virginia Spiderwort (Tradescantia virginiana) (1925)

Leatherflower (Clematis viorna) (1925)

革钟花铁线莲

Leatherflower (Clematis viorna) (1925)

Purple Saxifrage (Saxifraga oppositifolia) (1925)

挪威虎耳草

Purple Saxifrage (Saxifraga oppositifolia) (1925)

Flame Azalea (Azalea lutea) (1925)

杜鹃花科

Flame Azalea (Azalea lutea) (1925)

Rabbitbean (Cracca virginiana) (1925)

野豌豆属

Rabbitbean (Cracca virginiana) (1925)

Tuliptree (Liriodendron tulipifera) (1925)

Tuliptree (Liriodendron tulipifera) (1925)

Tuliptree (Liriodendron tulipifera) (1925)

Trumpet Honeysuckle (Lonicera sempervirens) (1925)

贯月忍冬

Trumpet Honeysuckle (Lonicera sempervirens) (1925)

Red Buckeye (Aesculus pavia) (1925)

七叶树属

Red Buckeye (Aesculus pavia) (1925)

Rose Paintbrush (Castilleja pallida) (1925)

大红火焰草

Rose Paintbrush (Castilleja pallida) (1925)

Shootingstar (Dodecatheon meadia) (1925)

Shootingstar (Dodecatheon meadia) (1925)

Shootingstar (Dodecatheon meadia) (1925)

Prairie Pentstemon (Pentstemon erianthera) (1925)

钓钟柳属

Prairie Pentstemon (Pentstemon erianthera) (1925)

Wild Sweet Crab (Malus coronaria) (1925)

花冠海棠

Wild Sweet Crab (Malus coronaria) (1925)

Pitcherplant (Sarracenia purpurea) (1925)

紫瓶子草

Pitcherplant (Sarracenia purpurea) (1925)

Prairie-smoke (Sieversia ciliata) (1925)

三花路边青

Prairie-smoke (Sieversia ciliata) (1925)

Winterberry (Ilex verticillata) (1925)

加拿大冬青

Winterberry (Ilex verticillata) (1925)

Sweet Azalea (Azalea arborescens) (1925)

杜鹃花科

Sweet Azalea (Azalea arborescens) (1925)

Kruhsea (flower) (Kruhsea streptopoides) (1925)

Kruhsea (flower) (Kruhsea streptopoides) (1925)

Kruhsea (flower) (Kruhsea streptopoides) (1925)

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

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

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

Arethusa (Arethusa bulbosa) (1925)

龙嘴兰

Arethusa (Arethusa bulbosa) (1925)

Pale Ladyslipper (Cypripedium acaule) (1925)

无茎杓兰

Pale Ladyslipper (Cypripedium acaule) (1925)

Quakerladies (Houstonia caerulea) (1925)

美耳草

Quakerladies (Houstonia caerulea) (1925)

Bearberry Honeysuckle (Lonicera involucrata) (1925)

总苞忍冬

Bearberry Honeysuckle (Lonicera involucrata) (1925)

Pink Fleabane (Erigeron caespitosus) (1925)

飞蓬属

Pink Fleabane (Erigeron caespitosus) (1925)

Labrador-tea (Ledum groenlandicum) (1925)

拉不拉多茶

Labrador-tea (Ledum groenlandicum) (1925)

Northern Bedstraw (Galium boreale) (1925)

北方拉拉藤

Northern Bedstraw (Galium boreale) (1925)

Bronzebells (Stenanthium occidentale) (1925)

Bronzebells (Stenanthium occidentale) (1925)

Roundleaf Orchis (Orchis rotundifolia) (1925)

红门兰属

Roundleaf Orchis (Orchis rotundifolia) (1925)

Prickly Currant (flower) (Ribes lacustre) (1925)

沼黑醋栗

Prickly Currant (flower) (Ribes lacustre) (1925)

Prickly Currant (fruit) (Ribes lacustre) (1925)

沼黑醋栗

Prickly Currant (fruit) (Ribes lacustre) (1925)

Glacierlily (Erythronium grandiflorum) (1925)

大花猪牙花

Glacierlily (Erythronium grandiflorum) (1925)

Balsamroot (Balsamorhiza sagittata) (1925)

箭叶紫根菊

Balsamroot (Balsamorhiza sagittata) (1925)

Silverberry (flower) (Elaeagnus commutata) (1925)

银莓

Silverberry (flower) (Elaeagnus commutata) (1925)

Silverberry (fruit) (Elaeagnus commutata) (1925)

银莓

Silverberry (fruit) (Elaeagnus commutata) (1925)

Twinleaf (Jeffersonia diphylla) (1925)

北美鲜黄连

Twinleaf (Jeffersonia diphylla) (1925)

Ivory Baneberry (Actaea arguta) (1925)

红果类叶升麻

Ivory Baneberry (Actaea arguta) (1925)

Pink Mountainheather (Phyllodoce empetriformis) (1925)

粉红松毛翠

Pink Mountainheather (Phyllodoce empetriformis) (1925)

Rocky Mountain Cassiope (Cassiope mertensiana) (1925)

梅腾斯岩须

Rocky Mountain Cassiope (Cassiope mertensiana) (1925)

One-leaf Bog-orchid (Habenaria obtusata) (1925)

细距舌唇兰

One-leaf Bog-orchid (Habenaria obtusata) (1925)

Bush Cinquefoil (Potentilla fruticosa) (1925)

金露梅

Bush Cinquefoil (Potentilla fruticosa) (1925)

Douglas Honeysuckle (flower) (Lonicera glaucescens) (1925)

忍冬亚科

Douglas Honeysuckle (flower) (Lonicera glaucescens) (1925)

Douglas Honeysuckle (fruit) (Lonicera Raucescens) (1925)

Douglas Honeysuckle (fruit) (Lonicera Raucescens) (1925)

Pink Twistedstalk (Streptopus curvipes) (1925)

披针叶扭柄花

Pink Twistedstalk (Streptopus curvipes) (1925)

Clasping Twistedstalk (Streptopus amplexifolius) (1925)

白扭柄花

Clasping Twistedstalk (Streptopus amplexifolius) (1925)

White Pea (Lathyrus ochroleucus) (1925)

苍白连理草

White Pea (Lathyrus ochroleucus) (1925)

Mountain Juniper (Juniperus sibirica) (1925)

矮刺柏

Mountain Juniper (Juniperus sibirica) (1925)

Riverbank Gentian (Gentiana affinis) (1925)

龙胆目

Riverbank Gentian (Gentiana affinis) (1925)

Grassleaf Agoseris (Agoseris graminifolia) (1925)

高莛苣属

Grassleaf Agoseris (Agoseris graminifolia) (1925)

Slender Agoseris (Agoseris gracilens) (1925)

高莛苣属

Slender Agoseris (Agoseris gracilens) (1925)

Showy Milkweed (Asclepias speciosa) (1925)

美丽马利筋

Showy Milkweed (Asclepias speciosa) (1925)

Northern Ladyslipper (Cypripedium passerinum) (1925)

杓兰属

Northern Ladyslipper (Cypripedium passerinum) (1925)

Small yellow Ladyslipper (Cypripedium parviflorum) (1925)

黄杓兰

Small yellow Ladyslipper (Cypripedium parviflorum) (1925)

Rayless Groundsel (Senecio pauciflorus) (1925)

千里光族

Rayless Groundsel (Senecio pauciflorus) (1925)

Naiad Springbeauty (Claytonia parvifolia) (1925)

小叶矿苣

Naiad Springbeauty (Claytonia parvifolia) (1925)

American Pasqueflower (flower) (Pulsatilla ludoviciana) (1925)

狮子髯白头翁

American Pasqueflower (flower) (Pulsatilla ludoviciana) (1925)

American Pasqueflower (fruit) (Pulsatilla ludoviciana) (1925)

狮子髯白头翁

American Pasqueflower (fruit) (Pulsatilla ludoviciana) (1925)

Sweetvetch (Hedysarum mackenzii) (1925)

岩黄芪属

Sweetvetch (Hedysarum mackenzii) (1925)

Mistmaiden (Romanzoffia sitchensis) (1925)

女王椰子

Mistmaiden (Romanzoffia sitchensis) (1925)

Columbia Clematis (flower) (Clematis columbiana) (1925)

岩铁线莲

Columbia Clematis (flower) (Clematis columbiana) (1925)

Columbia Clematis (fruit) (Clematis columbiana) (1925)

岩铁线莲

Columbia Clematis (fruit) (Clematis columbiana) (1925)

Lodgepole Pine (Pinus contorta murrayana) (1925)

Lodgepole Pine (Pinus contorta murrayana) (1925)

Lodgepole Pine (Pinus contorta murrayana) (1925)

Lanceleaf Paintbrush (Castilleja lancifolia) (1925)

火焰草属

Lanceleaf Paintbrush (Castilleja lancifolia) (1925)

White Thistle (Cirsium hookerianum) (1925)

麋鹿薊

White Thistle (Cirsium hookerianum) (1925)

Gray Pussytoes (Antennaria howellii) (1925)

蝶须属

Gray Pussytoes (Antennaria howellii) (1925)

Calypso (Cytherea bulbosa) (1925)

布袋兰

Calypso (Cytherea bulbosa) (1925)

Rock Willow (Salix petrophila) (1925)

柳属

Rock Willow (Salix petrophila) (1925)

Sweet Androsace (Androsace carinata) (1925)

旱生点地梅

Sweet Androsace (Androsace carinata) (1925)

Bluegreen Gentian (Gentiana glauca) (1925)

龙胆目

Bluegreen Gentian (Gentiana glauca) (1925)

Rocky Mountain Twayblade (Ophrys nephrophylla) (1925)

心叶对叶兰

Rocky Mountain Twayblade (Ophrys nephrophylla) (1925)

Spotted Saxifrage (Saxifraga bronchialis) (1925)

刺虎耳草

Spotted Saxifrage (Saxifraga bronchialis) (1925)

Bearberry (flower) (Arctostaphylos uva-ursi) (1925)

熊果

Bearberry (flower) (Arctostaphylos uva-ursi) (1925)

Bearberry (fruit) (Arctostaphylos uva-ursi) (1925)

熊果

Bearberry (fruit) (Arctostaphylos uva-ursi) (1925)

Green Pyrola (Pyrola chlorantha) (1925)

绿花鹿蹄草

Green Pyrola (Pyrola chlorantha) (1925)

Avalanche Buttercup (Ranunculus suksdorfii) (1925)

毛茛科

Avalanche Buttercup (Ranunculus suksdorfii) (1925)

Canada Buffaloberry (Lepargyrea canadensis) (1925)

加拿大水牛果

Canada Buffaloberry (Lepargyrea canadensis) (1925)

Deathcamas (Zygadenus elegans) (1925)

优雅棋盘花

Deathcamas (Zygadenus elegans) (1925)

Saskatoon (Amelanchier alnifolia) (1925)

桤叶唐棣

Saskatoon (Amelanchier alnifolia) (1925)

Prairie Aster (Aster campestris) (1925)

Prairie Aster (Aster campestris) (1925)

Prairie Aster (Aster campestris) (1925)

Owl-clover (Orthocarpus tenuifolius) (1925)

Owl-clover (Orthocarpus tenuifolius) (1925)

Owl-clover (Orthocarpus tenuifolius) (1925)

Showy Oxytrope (Oxytropis splendens) (1925)

棘豆属

Showy Oxytrope (Oxytropis splendens) (1925)