North American wild flowers

Purple Butterwort (Pinguicula elatior) (1925)

狸藻科

Purple Butterwort (Pinguicula elatior) (1925)

Purple Mountain Violet (Viola adunca) (1925)

金虎尾目

Purple Mountain Violet (Viola adunca) (1925)

Purple Pentstemon (Pentstemon lyallii) (1925)

钓钟柳属

Purple Pentstemon (Pentstemon lyallii) (1925)

Purple Prairieclover (Petalostemon purpureum) (1925)

紫色达利菊

Purple Prairieclover (Petalostemon purpureum) (1925)

Purple Saxifrage (Saxifraga oppositifolia) (1925)

挪威虎耳草

Purple Saxifrage (Saxifraga oppositifolia) (1925)

Pussy Willow (Salix discolor) (1925)

褪色柳

Pussy Willow (Salix discolor) (1925)

Pussy-ears (Calochortus elegans) (1925)

蝴蝶百合属

Pussy-ears (Calochortus elegans) (1925)

Pygmy Androsace (Androsace subumbellata) (1925)

Pygmy Androsace (Androsace subumbellata) (1925)

Pyxie (Pyxidanthera barbulata) (1925)

岩樱

Pyxie (Pyxidanthera barbulata) (1925)

Quakerladies (Houstonia caerulea) (1925)

美耳草

Quakerladies (Houstonia caerulea) (1925)

Queencup (flower) (Clintonia uniflora) (1925)

Queencup (flower) (Clintonia uniflora) (1925)

Queencup (flower) (Clintonia uniflora) (1925)

Queencup (fruit) (Clintonia uniflora) (1925)

Queencup (fruit) (Clintonia uniflora) (1925)

Quill-leaf Tillandsia (Tillandsia fasciculata) (1925)

铁兰属

Quill-leaf Tillandsia (Tillandsia fasciculata) (1925)

Rabbitbean (Cracca virginiana) (1925)

野豌豆属

Rabbitbean (Cracca virginiana) (1925)

Ragged Fringe-orchid (Habenaria lacera) (1925)

细距舌唇兰

Ragged Fringe-orchid (Habenaria lacera) (1925)

Ramshead Ladyslipper (Cypripedium arietinum) (1925)

鹰嘴杓兰

Ramshead Ladyslipper (Cypripedium arietinum) (1925)

Rayless Groundsel (Senecio pauciflorus) (1925)

千里光族

Rayless Groundsel (Senecio pauciflorus) (1925)

Red Buckeye (Aesculus pavia) (1925)

七叶树属

Red Buckeye (Aesculus pavia) (1925)

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

红苦味果

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

Red Comandra (Comandra livida) (1925)

檀香科

Red Comandra (Comandra livida) (1925)

Red Dewberry (Rubus pedatus) (1925)

黃金莓

Red Dewberry (Rubus pedatus) (1925)

Red Lily (Lilium montanum) (1925)

百合属

Red Lily (Lilium montanum) (1925)

Red Maple (Acer rubrum) (1925)

美国红枫

Red Maple (Acer rubrum) (1925)

Red Monkeyflower (Diplacus puniceus) (1925)

灌木石猴花

Red Monkeyflower (Diplacus puniceus) (1925)

Red Pinesap (Hypopitys lanuginosa) (1925)

水晶兰属

Red Pinesap (Hypopitys lanuginosa) (1925)

Red Trillium (Trillium erectum) (1925)

藜芦科

Red Trillium (Trillium erectum) (1925)

Red Willowweed (Epilobium latifolium) (1925)

宽叶柳兰

Red Willowweed (Epilobium latifolium) (1925)

Red-helmet (Pedicularis bracteosa) (1925)

塔花马先蒿

Red-helmet (Pedicularis bracteosa) (1925)

Red-osier Dogwood (Cornus stolonifera) (1925)

紅枝山茱萸

Red-osier Dogwood (Cornus stolonifera) (1925)

Redbud (Cercis canadensis) (1925)

加拿大紫荆

Redbud (Cercis canadensis) (1925)

Redstem Saxifrage (Saxifraga lyallii) (1925)

虎耳草目

Redstem Saxifrage (Saxifraga lyallii) (1925)

Rhodora (Rhodora canadensis) (1925)

Rhodora (Rhodora canadensis) (1925)

Rhodora (Rhodora canadensis) (1925)

Riverbank Gentian (Gentiana affinis) (1925)

龙胆目

Riverbank Gentian (Gentiana affinis) (1925)

Rock Willow (Salix petrophila) (1925)

柳属

Rock Willow (Salix petrophila) (1925)

Rock Wormwood (Artemisia discolor) (1925)

蒿属

Rock Wormwood (Artemisia discolor) (1925)

Rocky Mountain Cassiope (Cassiope mertensiana) (1925)

梅腾斯岩须

Rocky Mountain Cassiope (Cassiope mertensiana) (1925)

Rocky Mountain Kalmia (Ixalmia microphylla) (1925)

Rocky Mountain Kalmia (Ixalmia microphylla) (1925)

Rocky Mountain Rhododendron (Rhododendron albiflorum) (1925)

素英杜鹃

Rocky Mountain Rhododendron (Rhododendron albiflorum) (1925)

Rocky Mountain Twayblade (Ophrys nephrophylla) (1925)

心叶对叶兰

Rocky Mountain Twayblade (Ophrys nephrophylla) (1925)

Rose Paintbrush (Castilleja pallida) (1925)

大红火焰草

Rose Paintbrush (Castilleja pallida) (1925)

Rose Pogonia (Pogonia ophioglossoides) (1925)

独脚朱兰

Rose Pogonia (Pogonia ophioglossoides) (1925)

Rosebay Rhododendron (Rhododendron maximum) (1925)

极大杜鹃

Rosebay Rhododendron (Rhododendron maximum) (1925)

Rosebud Orchid (Pogonia divaricata) (1925)

玫蕾兰

Rosebud Orchid (Pogonia divaricata) (1925)

Rosette Cinquefoil (Potentilla uniflora) (1925)

委陵菜属

Rosette Cinquefoil (Potentilla uniflora) (1925)

Roundleaf Orchis (Orchis rotundifolia) (1925)

红门兰属

Roundleaf Orchis (Orchis rotundifolia) (1925)

Ruff Gentian (Gentiana calycosa) (1925)

山沼龙胆

Ruff Gentian (Gentiana calycosa) (1925)

Sagebrush Mariposa (Calochortus macrocarpus) (1925)

绿带蝴蝶百合

Sagebrush Mariposa (Calochortus macrocarpus) (1925)

Saltmarsh Rosegentian (Sabbatia stellaris) (1925)

姜味草属

Saltmarsh Rosegentian (Sabbatia stellaris) (1925)

San Diego Mariposa (Calochortus weedii) (1925)

橙花仙灯

San Diego Mariposa (Calochortus weedii) (1925)

Sand Phacelia (Phacelia linearis) (1925)

狭叶钟穗花

Sand Phacelia (Phacelia linearis) (1925)

Saskatoon (Amelanchier alnifolia) (1925)

桤叶唐棣

Saskatoon (Amelanchier alnifolia) (1925)

Saussurea (Saussurea densa) (1925)

矮鋸草

Saussurea (Saussurea densa) (1925)

Scarlet Elder (Sambucus pubens) (1925)

接骨木属

Scarlet Elder (Sambucus pubens) (1925)

Scarlet Globe-mallow (Sphaeralcea grossulariaefolia) (1925)

球葵属

Scarlet Globe-mallow (Sphaeralcea grossulariaefolia) (1925)

Scarlet Mariposa (Calochortus kennedyi) (1925)

肯尼迪仙灯

Scarlet Mariposa (Calochortus kennedyi) (1925)

Shootingstar (Dodecatheon meadia) (1925)

Shootingstar (Dodecatheon meadia) (1925)

Shootingstar (Dodecatheon meadia) (1925)

Shortspur Columbine (Aquilegia brevistyla) (1925)

小花耧斗菜

Shortspur Columbine (Aquilegia brevistyla) (1925)

Showy Ladyslipper (Cypripedium reginae) (1925)

皇后杓兰

Showy Ladyslipper (Cypripedium reginae) (1925)

Showy Milkweed (Asclepias speciosa) (1925)

美丽马利筋

Showy Milkweed (Asclepias speciosa) (1925)

Showy Orchis (Orchis spectabilis) (1925)

盔花兰

Showy Orchis (Orchis spectabilis) (1925)

Showy Oxytrope (Oxytropis splendens) (1925)

棘豆属

Showy Oxytrope (Oxytropis splendens) (1925)

Siberian Onion (Allium sibericum) (1925)

葱亚科

Siberian Onion (Allium sibericum) (1925)

Sidebells Pyrola (Pyrola secunda) (1925)

单侧花

Sidebells Pyrola (Pyrola secunda) (1925)

Sidesaddle Goldenrod (Solidago ciliosa) (1925)

一枝黄花属

Sidesaddle Goldenrod (Solidago ciliosa) (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)

Skeletonflower (Lygodesmia juncea) (1925)

紫莴苣属

Skeletonflower (Lygodesmia juncea) (1925)

Skunkcabbage (Spathyema foetida) (1925)

Skunkcabbage (Spathyema foetida) (1925)

Skunkcabbage (Spathyema foetida) (1925)

Slender Agoseris (Agoseris gracilens) (1925)

高莛苣属

Slender Agoseris (Agoseris gracilens) (1925)

Slender Shootingstar (Dodecatheon pauciflorum) (1925)

少花报春花

Slender Shootingstar (Dodecatheon pauciflorum) (1925)

Slim Larkspur (Delphinium depauperatum) (1925)

翠雀属

Slim Larkspur (Delphinium depauperatum) (1925)

Small Cranberry (Oxycoccus palustris) (1925)

红莓苔子

Small Cranberry (Oxycoccus palustris) (1925)

Small Pyrola (Pyrola minor) (1925)

短柱鹿蹄草

Small Pyrola (Pyrola minor) (1925)

Small yellow Ladyslipper (Cypripedium parviflorum) (1925)

黄杓兰

Small yellow Ladyslipper (Cypripedium parviflorum) (1925)

Smooth Yellow Violet (Viola eriocarpa) (1925)

绒果黄堇菜

Smooth Yellow Violet (Viola eriocarpa) (1925)

Snow Trillium (Trillium grandiflorum) (1925)

大花延龄草

Snow Trillium (Trillium grandiflorum) (1925)

Snow Willow (Salix nivalis) (1925)

Snow Willow (Salix nivalis) (1925)

Snow Willow (Salix nivalis) (1925)

Southern Coast Violet (Viola septemloba) (1925)

金虎尾目

Southern Coast Violet (Viola septemloba) (1925)

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

广玉兰

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

Spatterdock (Nymphaea advena) (1925)

睡莲目

Spatterdock (Nymphaea advena) (1925)

Spiderlily (Hymenocallis rotata) (1925)

Spiderlily (Hymenocallis rotata) (1925)

Spiderlily (Hymenocallis rotata) (1925)

Spotted Beebalm (Monarda punctata) (1925)

斑点马薄荷

Spotted Beebalm (Monarda punctata) (1925)

Spotted Cyrtopodium (Cyrtopodium punctatum) (1925)

斑花弯足兰

Spotted Cyrtopodium (Cyrtopodium punctatum) (1925)

Spotted Saxifrage (Saxifraga bronchialis) (1925)

刺虎耳草

Spotted Saxifrage (Saxifraga bronchialis) (1925)

Squawroot (Conopholis americana) (1925)

苞谷列当

Squawroot (Conopholis americana) (1925)

Squirrelcorn (Bikukulla canadensis) (1925)

Squirrelcorn (Bikukulla canadensis) (1925)

Star Solomonplume (Vagnera stellata) (1925)

星花舞鹤草

Star Solomonplume (Vagnera stellata) (1925)

Strawberry-blite (Chenopodium capitatum) (1925)

头花藜

Strawberry-blite (Chenopodium capitatum) (1925)

Sun-dial Lupine (Lupinus perennis) (1925)

宿根羽扇豆

Sun-dial Lupine (Lupinus perennis) (1925)

Sweet Androsace (Androsace carinata) (1925)

旱生点地梅

Sweet Androsace (Androsace carinata) (1925)

Sweet Azalea (Azalea arborescens) (1925)

杜鹃花科

Sweet Azalea (Azalea arborescens) (1925)

Sweet Pitcherplant (Sarracenia rubra) (1925)

红瓶子草

Sweet Pitcherplant (Sarracenia rubra) (1925)

Sweetbay (Magnolia virginiana) (1925)

北美木兰

Sweetbay (Magnolia virginiana) (1925)

Sweetvetch (Hedysarum mackenzii) (1925)

岩黄芪属

Sweetvetch (Hedysarum mackenzii) (1925)

Tall Larkspur (Delphinium elongatum) (1925)

翠雀属

Tall Larkspur (Delphinium elongatum) (1925)

Tampa Epidendrum (Epidendrum tampense) (1925)

Tampa Epidendrum (Epidendrum tampense) (1925)

Tarflower (Befaria racemosa) (1925)

七瓣杜鹃属

Tarflower (Befaria racemosa) (1925)

Tassel Cottongrass (Eriophorum angustifolium) (1925)

东方羊胡子草

Tassel Cottongrass (Eriophorum angustifolium) (1925)

Tillandsia (Tillandsia fasciculata) (1925)

铁兰属

Tillandsia (Tillandsia fasciculata) (1925)

Toad Trillium (Trillium sessile) (1925)

藜芦科

Toad Trillium (Trillium sessile) (1925)

Trailing-arbutus (Epigaea repens) (1925)

岩梨

Trailing-arbutus (Epigaea repens) (1925)

Trumpet Honeysuckle (Lonicera sempervirens) (1925)

贯月忍冬

Trumpet Honeysuckle (Lonicera sempervirens) (1925)

Trumpetcreeper (Bignonia radicans) (1925)

美国凌霄

Trumpetcreeper (Bignonia radicans) (1925)

Trumpetleaf (Sarracenia flava) (1925)

黄瓶子草

Trumpetleaf (Sarracenia flava) (1925)

Tufted Saxifrage (Saxifraga caespitosa) (1925)

虎耳草目

Tufted Saxifrage (Saxifraga caespitosa) (1925)

Tuliptree (Liriodendron tulipifera) (1925)

Tuliptree (Liriodendron tulipifera) (1925)

Tuliptree (Liriodendron tulipifera) (1925)

Turkscap Lily (Lilium superbum) (1925)

沼澤百合

Turkscap Lily (Lilium superbum) (1925)

Turtlehead (Chelone glabra) (1925)

窄叶蛇头草

Turtlehead (Chelone glabra) (1925)

Twinleaf (Jeffersonia diphylla) (1925)

北美鲜黄连

Twinleaf (Jeffersonia diphylla) (1925)

Venus Flytrap (Dionaea muscipula) (1925)

捕蝇草

Venus Flytrap (Dionaea muscipula) (1925)

Vernal Iris (Iris verna) (1925)

天门冬目

Vernal Iris (Iris verna) (1925)

Virginia Bluebells (Mertensia virginica) (1925)

滨紫草

Virginia Bluebells (Mertensia virginica) (1925)

Virginia Spiderwort (Tradescantia virginiana) (1925)

鸭跖草目

Virginia Spiderwort (Tradescantia virginiana) (1925)

Virginia Springbeauty (Claytonia virginica) (1925)

春美草

Virginia Springbeauty (Claytonia virginica) (1925)

Virginia Stewartia (Stewartia malachodendron) (1925)

Virginia Stewartia (Stewartia malachodendron) (1925)

Wax Trillium (Trillium album) (1925)

藜芦科

Wax Trillium (Trillium album) (1925)

Western Bluebells (Mertensia paniculata) (1925)

北方滨紫草

Western Bluebells (Mertensia paniculata) (1925)

Western Cranesbill (Geranium viscosissimum) (1925)

紫粘老鹳草

Western Cranesbill (Geranium viscosissimum) (1925)

Western Green Alder (Alnus sinuata) (1925)

桤木属

Western Green Alder (Alnus sinuata) (1925)

Western Hemlock (Tsuga heterophylla) (1925)

西部铁杉

Western Hemlock (Tsuga heterophylla) (1925)