Historical Common Names of Great Plains Plants: Y

A ; B ; C ; D ; E ; F ; G ; H ; I ; J ; K ; L ; M ; N ; O ; P ; Q ; R ; S ; T ; U ; V ; W ; X ; Y ; Z ;

Ya'chi (Kiwomi Keres) 1855 (132)
Zea mays L.

Yaits 1900 (158)
Avena sativa L.

Yam 1750-Present (1, 50, 92, 93, 109, 138, 155, 158, 167) means "to eat" in several dialects of Guinea
Dioscorea L. [also reported as: Dioscorea (Plum) L.]

Yam root
1818-1828 (7, 10)
Dioscorea L.
1840 (19)
Dioscorea villosa L.

Yam-leaf clematis [Yamleaf clematis] 1923 (138)
Clematis terniflora DC. [reported as: Clematis dioscoreifolia Levl. & Vaniot]

Yamnumnugapi (Dakota, to crunch) 1919 (37)
Celtis occidentalis L.

Yamp 1900 (158)
Perideridia gairdneri (Hook. & Arn.) Mathias [reported as: Atenia gairdneri Hook. & Arn.]

Yámpa (Shoshone) 1806 (35) Meriwether Lewis - spelled year-pah
Perideridia gairdneri (Hook. & Arn.) Mathias

Yampah or Yampa
Present (50)
Perideridia Reichnb.
1942 (155)
Perideridia gairdneri (Hook. & Arn.) Mathias

Yankapin bonnets 1923 (156)
Nelumbo lutea Willd.

Yankapin or Yoncopin 1900-1929 (106, 156, 157, 158)
Nelumbo lutea Willd.

Yankee blackberry 1942-Present (50, 155)
Rubus frondosus Bigelow

Yankee corn 1938-1949 (109, 119)
Zea mays L. ssp. mays [also reported as: Zea mays L. var. indurata Bailey]

Yânû Unihye sti (Cherokee) 1886 (102)
Vitis vulpina L. [reported as: Vitis cordifolia Michx.]

Ya'-o-ni (Kiwomi Keres) 1855 (132)
Zea mays L.

Yard dock 1986 (4)
Rumex longifolius DC. [reported as: Rumex domesticus Hartm.]

Yard grass [Yard-grass, Yardgrass]
1936 (93) Neb
Eleusine Gaertn.
1852-1944 (5, 87, 88, 92, 94, 99, 119, 134, 140, 163)
Eleusine indica (L.) Gaertn.

Yard-grass [Yardgrass] 1932 (85) SD
Polygonum aviculare L.

Yard rush 1912-1923 (5, 62, 156)
Juncus tenuis Willd.

Yarr 1900-1923 (5, 156, 158) obsolete by 1923
Spergula arvensis L.

Yarrow
1814-Present (1, 2, 4, 50, 93, 109, 125, 138, 155, 156, 158, 167)
Achillea L. [also reported as: Achillea (Valliant) L.]
1617-1939 (7, 19, 37, 40, 45, 46, 49, 52, 53, 57, 58, 61, 62, 72, 80, 82, 92, 93, 95, 97, 107, 122, 124, 127, 131, 148, 157, 158)
Achillea millefolium L.
1932-1977 (3, 85, 146)
Achillea millefolium L. var. occidentalis DC. [also reported as: Achillea lanulosa Nutt., Achillea millefolium L. ssp. lanulosa(Nutt.) Piper]

Yarroway 1900 (158)
Achillea millefolium L.

Yaskobgedek (Chippewa) 1932 (105)
Pyrola elliptica Nutt.

Yawroot [Yaw root, Yaw-root] 1828-1923 (5, 6, 7, 49, 53, 55, 58, 92, 156, 158)
Stillingia sylvatica Garden ex L.

Yellow 1828 (7)
Zanthoxylum americanum P. Mill. [reported as: Xanthoxylon fraxineum]

Yellow alfalfa 1932-Present (3, 50, 85)
Medicago sativa L. ssp. falcata (L.) Arcang. [also reported as: Medicago falcata L.]

Yellow alyssum 1900-1913 (5, 158)
Alyssum alyssoides (L.) L.

Yellow avens 1899-Present (3, 4, 5, 50, 72, 85, 93, 131, 155, 156, 158)
Geum aleppicum Jacq. [also reported as: Geum strictum Aiton, Geum aleppicum Jacq. var. strictum (Aiton) Fern.]

Yellow bachelor's-buttons 1900 (158) double variety
Ranunculus acris L.

Yellow balm 1828-1923 (5, 7, 156, 158)
Lysimachia quadrifolia L.

Yellow basswood 1900-1929 (156, 157, 158)
Tilia americana L.

Yellow bear's-foot [Yellow bears-foot] 1900-1923 (5, 156, 158)
Smallanthus uvedalius (L.) Mackenzie ex Small [also reported as: Polymnia uvedalia L.]

Yellow bedstraw 1770-1986 (3, 4, 19, 41, 49, 85, 92, 107, 109, 138, 155, 156, 158)
Galium verum L. [also reported as: Galium luteum [Lam.]]

Yellow bell 1905 (101) MT
Fritillaria pudica (Pursh) Spreng

Yellow bennet 1900-1923 (156, 158)
Geum aleppicum Jacq. [also reported as: Geum strictum Aiton]

Yellow berry 1828-1876 (7, 92)
Podophyllum peltatum L.

Yellow bird's nest 1913 (5)
Monotropa hypopithys L. [reported as: Hypopitys americana (DC.) Small]

Yellow bluestem Present (50)
Bothriochloa ischaemum (L.) Keng var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan

Yellow bristle grass [Yellow bristle-grass] 1936 (143) Quebec
Pennisetum glaucum (L.) R. Br. [reported as: Setaria lutescens (Weigel) F.T. Hubbard]

Yellow bristly foxtail 1913 (5)
Pennisetum glaucum (L.) R. Br. [reported as: Chaetochloa glauca (L.) Scribn.]

Yellow broomrape [Yellow broom rape] 1932 (85) SD
Orobanche fasciculata Nutt. [reported as: Thalesia fasciculata (Nutt.) Britton]

Yellow camomile [Yellow chamomile]
1932 (1)
Anthemis L. [reported as: Cota J. Gay.]
1913-1986 (3, 4, 5, 138, 156)
Anthemis tinctoria L.

Yellow cancer-root [Yellow cancer root] 1899-1929 (5, 131, 156, 157, 158)
Orobanche fasciculata Nutt. [also reported as: Thalesia fasciculata (Nutt.) Britton]

Yellow centaurium 1942 (155)
Centaurea solstitialis L.

Yellow chestnut oak 1900-1986 (4, 5, 156, 157, 158)
Quercus muehlenbergii Engelm. [also reported as: Quercus acuminata (Michx.) Sarg.]

Yellow cleavers 1876-1923 (92, 156, 158)
Galium verum L.

Yellow cleome 1913-1986 (4, 5, 93)
Cleome lutea Hook.

Yellow clover
1840-1913 (19, 80)
Trifolium campestre Schreber. [also reported as: Trifolium procumbens L.]
1900 (158)
Trifolium dubium Sibth.

Yellow coralroot [Yellow coral root, Yellow coral-root]
1900-1936 (5, 93, 157)
Corallorrhiza striata Lindl. var. striata [also reported as: Corallorrhiza ochroleuca Rydb.]
Present (50)
Corallorrhiza trifida Chat.

Yellow corydalis 1913?-1923 (5, 156)
Corydalis flavula (Raf.) DC. [also reported as: Capnoides flavulum (Raf.) Kuntze]

Yellow cottonwood
1900-1923 (5, 156, 158)
Populus deltoides Bartr. ex Marsh.
1895 (130) SD
Populus deltoides Bartr. ex Marsh. ssp. monilifera (Aiton) Eckenwalder [reported as: Populus monilifera Aiton]

Yellow cress [Yellow-cress, Yellowcress]
1936 (93) Neb
Barbarea Aiton f. [reported as: Barbarea R. Br.]
1913-1923 (5, 156)
Barbarea vulgaris Aiton f. [also reported as: Barbarea barbarea (L.) MacM., Barbarea vulgaris R.Br.]
1900-1929 (157, 158)
Ranunculus acris L.
1986-Present (4, 50)
Rorippa Scop.
1897-1986 (3, 4, 145)
Rorippa sessiliflora (Nutt.) A.S. Hitchc. [also reported as: Nasturtium sessiliflorum Nutt.]
1897-1932 (85, 145)
Rorippa sinuata (Nutt.) A.S. Hitchc. [also reported as: Nasturtium sinuatum Nutt., Radicula sinuata (Nutt.) Greene]
1895-1923 (5, 15, 156)
Rorippa sylvestris (L.) Bess. [also reported as: Nasturtium sylvestre R. Br., Radicula sylvestris (L.) Druce]

Yellow currants 1806 (35)
Ribes aureum Pursh

Yellow cut-leaf mignonette [Yellow cut-leaved mignonette] 1913 (5)
Reseda lutea L.

Yellow cyperus 1907-1923 (5, 72, 156) IA
Cyperus flavescens L.

Yellow-daisy [Yellow daisy, Yellow daisies]
1891 (79) Northeast US
Ranunculus acris L.
1892-1929 (5, 62, 73, 156, 157, 158)
Rudbeckia hirta L.
1949 (109)
Rudbeckia hirta L. var. pulcherrima Farw. [reported as: Rudbeckia serotina Nutt.]
1930 (82) IA
Rudbeckia subtomentosa Pursh

Yellow dock 1869-1987 (5, 6, 40, 48, 49, 52, 53, 57, 58, 61, 62, 64, 69, 80, 92, 97, 156, 157, 158)
Rumex crispus L.

Yellow dog-fennel 1912 (62) IN
Dyssodia papposa (Vent.) A.S. Hitchc. [reported as: Boebera papposa (Vent.) Rydb.]

Yellow dotted hawthorn 1942 (155)
Crataegus punctata Jacq. [reported as: Crataegus punctata Jacq. var. aurea Aiton]

Yellow downy lady's-slipper [Yellow downy lady's slipper] 1936 (93) Neb
Cypripedium parviflorum Salisb.

Yellow dwarf sedge 1903 (66)
Cyperus flavescens L.

Yellow eriogonum 1899-1942 (5, 93, 131, 155)
Eriogonum flavum Nutt.

Yellow European lady's-slipper [Yellow European ladyslipper] 1942 (155)
Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight [reported as: Cypripedium pubescens Willd. var. pubescens]

Yellow evening-primrose [Yellow eveningprimrose]
1977 (3)
Calylophus serrulatus (Nutt.) Raven
1942-Present (50, 155)
Oenothera flava (A. Nels.) Garrett
Present (50)
Oenothera flava (A. Nels.) Garrett ssp. flava

Yellow false garlic [Yellow falsegarlic] 1913-1942 (5, 93, 97, 155)
Nothoscordum bivalve (L.) Britt.

Yellow false indigo 1913 (5)
Baptisia bracteata Muhl. ex Ell.

Yellow false mallow 1907-1937 (5, 72, 97, 156)
Malvastrum hispidum (Pursh) Hochr. [also reported as: Malvastrum angustum Gray]

Yellow false oat 1913 (5, 68) Ottawa
Trisetum flavescens (L.) Beauv.

Yellow fawn-lily [Yellow fawnlily] Present (50)
Erythronium rostratum C. B. Wolf

Yellow field sorrel 1913-1930 (80, 82) IA
Oxalis stricta L.

Yellow flag 1900-1923 (5, 156, 158)
Iris pseudacorus L.

Yellow flag iris [Yellowflag iris] 1923-1942 (138, 155)
Iris pseudacorus L.

Yellow flameflower [Yellow flame flower] 1937 (124) TX
Talinum aurantiacum Engelm.

Yellow flatsedge Present (50)
Cyperus flavescens L.

Yellow flax
1892 (6)
Linaria vulgaris P. Mill. [reported as: Linaria vulgaris Hill]
1932-1936 (1, 93) Neb
Linum L. [also reported as: Cathartolinum Reichenb.]
1852-1930 (47, 125)
Linum rigidum Pursh
1932 (85) SD
Linum rigidum Pursh var. rigidum [reported as: Cathartolinum rigidum (Pursh) Small]
1926 (98) Neb
Linum sulcatum Riddell
1932 (85) SD
Linum sulcatum Riddell var. sulcatum [reported as: Cathartolinum sulcatum (Riddell) Small]

Yellow-flower [Yellow flower] 1900-1929 (5, 157)
Sinapis arvensis L.

Yellow foxtail [Yellow fox tail] 1852-1977 (3, 5, 56, 93, 94, 99, 111, 119, 129, 134, 143, 145, 155, 163)
Pennisetum glaucum (L.) R. Br. [also reported as: Chaetochloa lutescens (Weigel) Stuntz, Ixophorus glaucus (L.) Nash, Setaria glauca (L.) Beauv., Setaria lutescens (Weigel) F.T. Hubbard]

Yellow fritillary 1942-Present (50, 155)
Fritillaria pudica (Pursh) Spreng

Yellow fumewort Present (50)
Corydalis flavula (Raf.) DC.

Yellow gentian 1923 (156)
Gentiana alba Muhl. ex Nutt. [reported as: Gentiana flavida Gray]

Yellow giant hyssop Present (50)
Agastache nepetoides (L.) Kuntze

Yellow ginseng 1828-1929 (6, 7, 64, 156, 157, 158)
Caulophyllum thalictroides (L.) Michx.

Yellow goat's-beard [Yellow goat's beard, Yellow goats'-beard, Yellow goats-beard] 1900-1936 (5, 72, 93, 95, 156, 158)
Tragopogon pratensis L.

Yellow gowan [Yellow gowan, Yellow gowans]
1876 (92)
Ranunculus L.
1900-1929 (5, 156, 157, 158) Scotland
Ranunculus acris L.
1923 (156)
Ranunculus bulbosus L.
1913-1923 (5, 107, 156)
Ranunculus repens L.
1900-1929 (5, 64, 69, 156, 157, 158)
Taraxacum officinale G.H. Weber ex Wiggers [also reported as: Leontodon taraxacum L.]

Yellow grape 1828 (7)
Possibly, Vitis aestivalis Michx. [reported as: Vitis fulva Raf. ]

Yellow harlequin 1977-1986 (3, 4)
Corydalis flavula (Raf.) DC.

Yellow honeysuckle
1900-1923 (156, 158) misapplied
Lonicera dioica L.
1890-Present (4, 5, 50, 97, 113, 138, 155, 156)
Lonicera flava Sims.

Yellow hop clover [Yellow hop-clover] 1923 (156)
Medicago lupulina L.

Yellow horse-gentian [Yellow horse gentian] 1907-1923 (5, 72, 156) IA
Triosteum angustifolium L.

Yellow Indian grass [Yellow Indiangrass] 1942-1944 (140, 155)
Sorghastrum nutans (L.) Nash

Yellow Indian paintbrush Present (50)
Castilleja flava S. Wats.

Yellow Indian shoe [Yellow Indian-shoe] 1900 (158)
Cypripedium reginae Walt. [reported as: Cypripedium hirsutum Mill]

Yellow iris 1919-1977 (3, 107)
Iris pseudacorus L.

Yellow ironweed [Yellow iron-weed] 1912-1930 (5, 62, 82)
Verbesina alternifolia (L.) Britton ex Kearney [also reported as: Actinomeris alternifolia(L.) DC., Ridans alternifolius (L.) Britton, Verbesina alternifolia L.]

Yellow jasmine 1785 (8)
Campsis radicans (L.) Seem. ex Bureau [reported as: Bignonia radicans L.]

Yellow jewelweed [Yellow jewel-weed] 1900-1929 (156, 157)
Impatiens pallida Nutt.

Yellow lady''s-slipper [Yellow ladies' slipper, Yellow lady's slipper, Yellow ladies'-slipper]
1828-Present (5, 7, 50, 85, 97, 156, 157)
Cypripedium parviflorum Salisb. [also reported as: Cypripedium calceolus L. var. parviflorum (Salisb.) Fern., Cypripedium luteum]
1977-Present (3, 50)
Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight [also reported as: Cypripedium calceolus L. var. planipetalum Fern., Cypripedium pubescens Willd. var. pubescens]
1900-1908 (64, 158)
Cypripedium reginae Walt. [also reported as: Cypripedium hirsutum Mill]

Yellow lanterns 1923 (156)
Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi [reported as: Nuphar advena]

Yellow leaf-cup [Yellow leafcup] 1840-1942 (5, 19, 52, 54, 72, 155, 158)
Smallanthus uvedalius (L.) Mackenzie ex Small [also reported as: Polymnia uvedalia L.]

Yellow lily 1949 (109)
Lilium canadense L.

Yellow lily-root [Yellow lily root] 1876 (92)
Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi [reported as: Nuphar advena Aiton f.]

Yellow linden 1923 (138)
Tilia americana L. [reported as: Tilia flavescens (A.Braun)]

Yellow locust 1876-1930 (5, 6, 49, 74, 92, 106, 156, 157, 158)
Robinia pseudoacacia L. [also reported as: Robinia pseudacacia L., Robinia pseudo-acacia L.]

Yellow loosestrife Present (50)
Lysimachia L.

Yellow lotus 1919-1923 (37, 156)
Nelumbo lutea Willd.

Yellow lucerne 1913 (68) Ottawa
Medicago sativa L. ssp. falcata (L.) Arcang. [reported as: Medicago falcata L.]

Yellow lysimachus of Virginia 1671 (46) Josselyn
Oenothera biennis L.

Yellow marsh-marigold [Yellow marsh marigold]
Present (50)
Caltha palustris L.
Present (50)
Caltha palustris L. var. palustris

Yellow melilot 1892-1929 (5, 6, 45, 49, 53, 129, 156, 157, 158)
Melilotus officinalis (L.) Lam. [also reported as: Melilotus officinalis Willd.]

Yellow melilot clover 1840-1922 (19, 49, 53, 92)
Melilotus officinalis (L.) Lam. [also reported as: Melilotus vulgaris Eat. & Wright]

Yellow mignonette 1923-Present (50, 155, 156)
Reseda lutea L.

Yellow milkweed [Yellow milk-weed] 1892-1929 (5, 64, 73, 156, 157, 158)
Asclepias tuberosa L.

Yellow millet 1900-1929 (5, 157, 158) verbal corruption of melilot
Melilotus officinalis (L.) Lam.

Yellow mocassin-flower [Yellow mocassin flower, Yellow moccasin flower]
1913-1923 (5, 156)
Cypripedium parviflorum Salisb.
1900-1908 (64, 158)
Cypripedium reginae Walt. [also reported as: Cypripedium hirsutum Mill]

Yellow monkey-flower 1900-1936 (85, 93, 95, 157)
Mimulus glabratus Kunth var. jamesii (Torr. & Gray ex Benth.) Gray [also reported as: Mimulus geyer Torr.]

Yellow mustard 1876-1929 (6, 53, 69, 92, 157)
Sinapis alba L. [also reported as: Brassica alba Hook.]

Yellow nelumbo 1828-1919 (2, 7, 63, 107)
Nelumbo lutea Willd. [also reported as: Nelumbium luteum Juss. (Possibly this species), Nelumbium luteum Willd.]

Yellow neptunia 1942 (155)
Neptunia lutea (Leavenworth) Benth.

Yellow nightshade 1923 (156)
Solanum rostratum Dunal

Yellow Noah's ark [Yellow Noah's-ark] 1900-1908 (64, 158)
Cypripedium reginae Walt. [also reported as: Cypripedium hirsutum Mill]

Yellow nodding ladies'-tresses Present (50)
Spiranthes ochroleuca (Rydb.) Rydb.

Yellow nut-grass [Yellow nut grass] 1907-1923? (5, 62, 72, 156)
Cyperus esculentus L.

Yellow nut-sedge [Yellow nutsedge] 1977 (3)
Cyperus esculentus L.

Yellow oak
1923-1930 (82, 156)
Quercus ellipsoidalis E.J. Hill
1857-1937 (2, 5, 20, 82, 93, 95, 97, 113, 156, 157, 158)
Quercus muehlenbergii Engelm. [also reported as: Quercus acuminata (Michx.) Houba, Quercus prinus acuminata (Quercus prinus var. acuminata Michx.)]
1907 (72) IA
Quercus velutina Lam.

Yellow oat [Yellow oats] or Yellow oat grass [Yellow oat-grass, Yellow oatgrass] 1876-Present (3, 5, 45, 50, 56, 66, 68, 92)
Trisetum flavescens (L.) Beauv. [reported as: Avena flavescens L., Trisetum pratense Pers.]

Yellow orthocarpus 1899 (5, 131)
Orthocarpus luteus Nutt.

Yellow owl clover [Yellow owl's-clover, Yellow owlclover] 1942-Present (50, 155)
Orthocarpus luteus Nutt.

Yellow oxalis 1930 (82) IA
Oxalis corniculata L.

Yellow ox-eye daisy 1913-1923 (5, 156)
Rudbeckia hirta L.

Yellow oxytropis 1913 (5)
Oxytropis campestris (L.) DC.

Yellow painted-cup [Yellow paintedcup] 1942 (155)
Castilleja flava S. Wats.

Yellow panic grass 1885-1903 (66, 90)
Dichanthelium xanthophysum (Gray) Freckmann [also reported as: Panicum xanthophysum A. Gray]

Yellow parilla 1870-1929 (5, 6, 48, 49, 53, 57, 61, 64, 92, 130, 156, 157, 158)
Menispermum canadense L.

Yellow passion-flower [Yellow passionflower, Yellow passion flower] 1840-Present (5, 19, 48, 50, 122, 138, 155)
Passiflora lutea L.

Yellow-pea [Yellow pea]
1936 (93) Neb
Thermopsis R. Br. ex Aiton f.
1913-1986 (4, 5)
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards. [also reported as: Thermopsis rhombifolia (Nutt.) Richards]

Yellow phlox
1932-1936 (1, 93) Neb
Erysimum L. [also reported as: Cheirinia Link.]
1900-1937 (85, 93, 97, 157, 158)
Erysimum capitatum (Dougl. ex Hook.) Greene var. capitatum [also reported as: Cheirinia aspera (DC..) Britton, Erysimum asperum (Nutt.) DC.]

Yellow pileweed [Yellow pile-weed] 1892 (6)
Ranunculus acris L.

Yellow pimpernel 1907-Present (4, 5, 50, 72, 85, 97, 156)
Taenidia integerrima (L.) Drude

Yellow pine
1856-1932 (1, 2, 147)
Pinus echinata P. Mill. [also reported as: Pinus mitis Michx.]
1857-1910 (75, 101, 108, 135, 161)
Pinus ponderosa P.& C. Lawson
1890-1895 (113, 130) Neb SD
Pinus ponderosa P.& C. Lawson [also reported as: Pinus ponderosa scopulorum Engelm.]

Yellow pinesap [Yellow pine-sap] 1923 (156)
Monotropa hypopithys L.

Yellow plum 1919 (107)
Prunus americana Marsh.

Yellow-plums [Yellow plums] 1828-1930 (7, 82) IA
Diospyros virginiana L.

Yellow pond-lily [Yellow pond lily]
1818-1932 (1, 10, 13, 15, 63)
Nuphar Sm.
Present (50)
Nuphar lutea (L.) Sm.
1840-Present (50, 48, 57, 72, 74, 85, 92, 93, 97, 103, 107, 120, 121, 122, 156, 157, 158)
Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi [also reported as: Nuphar advena Aiton f., Nymphaea advena Soland., Nuphar microcarpum (Miller & Standl.) Standl.]
1900-1936 (93, 158)
Nymphaea L. [also reported as: Nymphaea (Tourn.) L.]

Yellow prairie violet 1913-1986 (3, 4, 5, 98, 156)
Viola nuttallii Pursh

Yellow primrose 1932 (85) SD
Calylophus serrulatus (Nutt.) Raven [reported as: Meriolix serrulata (Nutt.) Walp.]

Yellow procumbent wood sorrel 1907-1913? (5, 72) IA
Oxalis corniculata L. [also reported as: Xanthoxalis corniculata (L.) Small]

Yellow puccoon 1913?-1923 (5, 156)
Lithospermum incisum Lehm. [also reported as: Lithospermum angustifolium Michx., Lithospermum linearifolium Goldie]

Yellow rabbitbrush
Present (50)
Chrysothamnus viscidiflorus (Hook.) Nutt.
Present (50)
Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus var. viscidiflorus

Yellow-rocket [Yellowrocket, Yellow rocket]
1849-Present (50, 13)
Barbarea Aiton f. [also reported as: Barbarea R. Br.]
1895-1900 (5, 15, 72, 85, 107, 157)
Barbarea vulgaris Aiton f. [also reported as: Barbarea barbarea (L.) MacM., Barbarea vulgaris R.Br.]

Yellow rockrose [Yellow rock-rose] 1923 (156)
Dasiphora floribunda (Pursh) Kartesz [reported as: Potentilla fruticosa L., Dasiphora fruticosa (L.) Rydb.]

Yellow root [Yellow root, Yellow-root] 1876-1929 (92, 157, 158)
Celastrus scandens L.

Yellow-rose [Yellow rose] 1932 (1)
Dasiphora Raf.

Yellow salsify
Present (50)
Tragopogon dubius Scop.
1932 (85) SD
Tragopogon pratensis L.

Yellow sarsaparilla 1828-1929 (5, 6, 7, 64, 92, 156, 157, 158)
Menispermum canadense L.

Yellow saxifrage 1932 (1)
Saxifraga L. [reported as: Leptasea Haw.]

Yellow Scouler's willow [Yellow Scouler willow] 1942 (155)
Salix scouleriana Barr. [reported as: Salix scouleriana Barratt ex Hook. var. flavescens (Nutt.) J.K. Henry]

Yellow scurvy-grass 1929 (157)
Barbarea vulgaris Aiton f. [reported as: Barbarea barbarea (L.) MacM.]

Yellow sensitive brier [Yellow sensitive briar] 1937 (122, 124) TX
Neptunia lutea (Leavenworth) Benth.

Yellow sorrel
1936 (93) Neb
Oxalis L. [reported as: Xanthoxalis Small.]
1896 (76) CA
Oxalis corniculata L.

Yellow spear grass [Yellow spear-grass] 1901 (94)
Poa canbyi (Scribn.) Piper [reported as: Poa lucida Vasey]

Yellow spiderflower
1942-Present (50, 155)
Cleome lutea Hook.
1942-Present (50, 155)
Cleome lutea Hook. var. lutea

Yellow Spring bedstraw Present (50)
Galium verum L.

Yellow star [Yellow-star] 1828-1929 (5, 7, 92, 156, 157, 158)
Helenium autumnale L.

Yellow star-grass [Yellow stargrass] 1900-1977 (3, 5, 93, 97, 156, 157, 158)
Hypoxis hirsuta (L.) Cov.

Yellow star-thistle [Yellow star thistle] 1900-Present (4, 50, 106, 157)
Centaurea solstitialis L.

Yellow stonecrop Present (50)
Sedum nuttallianum Raf.

Yellow strawberry 1900 (158)
Duchesnea indica (Andr.) Focke

Yellow succory 1783 (46) Manasseh Cutler
Hieracium canadense Michx.

Yellow suckling 1913 (5)
Trifolium dubium Sibth.

Yellow suckling clover 1896 (45)
Trifolium dubium Sibth. [reported as: Trifolium filiforme]

Yellow sundrops Present (50)
Calylophus serrulatus (Nutt.) Raven

Yellow sweet clover [Yellow sweet-clover, Yellow sweetclover] 1892-Present (3, 4, 5, 6, 50, 53, 62, 80, 82, 85, 93, 95, 97, 106, 109, 122, 124, 129, 145, 155, 156, 157, 158)
Melilotus officinalis (L.) Lam. [also reported as: Melilotus officinalis Willd., Melilotus officinalis (L.) Pallas]

Yellow taenidia 1942-1977 (3, 155)
Taenidia integerrima (L.) Drude

Yellow Texas star 1937 (122) TX
Lindheimera texana Gray & Engelm.

Yellow toadflax [Yellow toad flax, Yellow toad-flax] 1899-1923 (5, 95, 131, 56, 157, 158)
Linaria vulgaris P. Mill. [also reported as: Linaria linaria (L.) Karst.]

Yellow trefoil
1911-1939 (68, 95, 109, 146)
Medicago lupulina L.
1900-1913 (5, 158)
Trifolium dubium Sibth.

Yellow umbel [Yellow umbil, Yellow umble]
1828 (7)
Cypripedium parviflorum Salisb. [reported as: Cypripedium luteum]
1900-1908 (64, 158)
Cypripedium reginae Walt. [also reported as: Cypripedium hirsutum Mill]

Yellow vetchling 1977-1986 (3, 4)
Lathyrus ochroleucus Hook.

Yellow violet
1840-1933 (19, 46, 127)
Viola pubescens Aiton
1932 (85) SD
Viola pubescens Aiton var. pubescens [reported as: Viola eriocarpa Schwein.]

Yellow water buttercup Present (50)
Ranunculus flabellaris Raf.

Yellow water cress 1828-1923 (7, 92, 156)
Rorippa palustris (L.) Bess [also reported as: Nasturtium palustre DC]

Yellow water crowfoot [Yellow water crow foot, Yellow water crow-foot] 1895-1937 (2, 5, 63, 72, 93, 97, 131, 156, 158)
Ranunculus flabellaris Raf. [also reported as: Ranunculus delphiniifolius Torr., Ranunculus multifidus Pursh]

Yellow water flag [Yellow water-flag] 1900-1923 (5, 156, 158)
Iris pseudacorus L.

Yellow water skegs [Yellow water-skegs] 1900-1913 (5, 158)
Iris pseudacorus L.

Yellow water-cress [Yellow water cress]
1932 (1, 93) Neb
Rorippa Scop. [also reported as: Radicula Hill]
1900-1929 (157, 158)
Rorippa palustris (L.) Bess

Yellow waterlily [Yellow water lily, Yellow water lily, Yellow water lilly]
1828 (7)
Possibly, Nelumbo lutea Willd. [reported as: Nelumbium luteum Juss.]
1919 (107)
Nuphar lutea (L.) Sm. [reported as: Nuphar luteum Sibth. & Sm.]
1840-1977 (3, 19, 46, 76, 92, 101, 106, 124, 157)
Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi [also reported as: Nuphar advena Aiton f., Nymphaea advena Soland., Nuphar lutea (L.) Sibth. & Sm. ssp. macrophylla (Small) Beal]
1977 (3)
Nuphar lutea (L.) Sm. ssp. variegata (Dur.) E.O. Beal

Yellow whitlow-wort [Yellow whitlowwort] 1977-1986 (3, 4)
Draba nemorosa L.

Yellow wide-lip orchid [Yellow widelip orchid] Present (50)
Liparis loeselii (L.) L.C. Rich [reported as: Liparis liliifolia (L.) L.C. Rich]

Yellow wild buckwheat 1986 (4)
Eriogonum flavum Nutt.

Yellow wild pea 1932 (85) SD
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards.

Yellow wild rye [Yellow wildrye] Present (50)
Leymus flavescens (Scribn. & J.G. Sm.) Pilger

Yellow willow
1840-1910 (19, 135, 158)
Salix alba L. [also reported as: Salix alba L. ssp. vitellina (L.) Arcang., Salix vitellina L.]
1932-Present (1, 4, 50, 85, 155)
Salix lutea Nutt.
1895 (130) SD
Salix scouleriana Barr. [reported as: Salix flavescens Nutt.]

Yellow wood sorrel [Yellow wood-sorrel]
1932 (1)
Oxalis L. [reported as: Xanthoxalis Small.]
1770-1937 (2, 41, 97, 145)
Oxalis corniculata L. [also reported as: Xanthoxalis corniculata (L.) Small]
1840-1986 (3, 4, 19, 37, 62, 122, 127, 145, 156)
Oxalis stricta L. [also reported as: Oxalis corniculata var. stricta Savar., Xanthoxalis stricta (L.) Small]

Yellow wood-cress 1900-1929 (156, 157, 158)
Rorippa palustris (L.) Bess

Yellow-bark oak [Yellow bark oak, Yellow-barked oak] 1900-1930 (5, 82, 156, 157, 158) galls are called oak-plums
Quercus velutina Lam.

Yellow-bean [Yellow bean] 1939 (148) CO
Thermopsis R. Br. ex Aiton f.

Yellow-berry elder [Yellow-berried elder] 1932 (85) SD
Sambucus racemosa L. var. racemosa [reported as: Sambucus pubens Michx.]

Yellow-caul 1900-1929 (157, 158)
Ranunculus acris L.

Yellowdicks
Present (50)
Helenium amarum (Raf.) H. Rock
Present (50)
Helenium amarum (Raf.) H. Rock var. amarum
Present (50)
Helenium amarum (Raf.) H. Rock var. badium ( Gray ex S. Wats.) Waterfall

Yellow-eyed grass 1923 (156)
Hypoxis hirsuta (L.) Cov.

Yellow-eyed water grass 1840 (19)
Heteranthera dubia (Jacq.) MacM. [reported as: Schollera graminifolia W., Heteranthera graminea (Michx.) Vahl]

Yellow-flower horse-gentian [Yellow-flowered horse-gentian] 1986 (4)
Triosteum angustifolium L.

Yellow-flower leaf-cup [Yellow-flowered leaf-cup] 1923 (156)
Smallanthus uvedalius (L.) Mackenzie ex Small [reported as: Polymnia uvedalia L.]

Yellow-flower locoweed [Yellowflower locoweed] Present (50)
Oxytropis monticola Gray

Yellow-flower stonecrop [Yellow-flowered stonecrop] 1820 (38)
Sedum lanceolatum Torr. [reported as: Sedum stenopetalum Pursh]

Yellow-fruit horse-gentian [Yellowfruit horse-gentian] Present (50)
Triosteum angustifolium L.

Yellow-fruit sedge [Yellowfruit sedge, Yellow-fruited sedge]
1913-Present (3, 5, 50)
Carex annectens (Bickn.) Bickn. [also reported as: Carex annectens Bickn. var. xanthocarpa (Bickn.) Wieg.]
1977 (3)
Carex annectens Bickn. var. annectens
1907 (72) IA
Possibly, Carex bicknellii Britt. [reported as: Carex xanthocarpa]

Yellow-grass [Yellow grass] 1840 (19)
Cyperus flavescens L.

Yellow-green painted-cup [Yellowgreen paintedcup] 1942 (155)
Castilleja sulphurea Rydb. [reported as: Castilleja luteovirens Rydb.]

Yellow-hair beard grass [Yellow-haired beard-grass] 1913-1936 (5, 93, 99)
Andropogon gerardii Vitman [also reported as: Andropogon chrysocomus Nash.]

Yellow-hair lyme grass [Yellow-haired lyme-grass] 1901 (94)
Leymus flavescens (Scribn. & J.G. Sm.) Pilger [reported as: Elymus flavescens Scribn. & J.G. Sm.]

Yellow-hair paspalum [Yellow-haired paspalum] 1913 (5)
Paspalum setaceum Michx. [reported as: Paspalum debile Michx.]

Yellowish corydalis 1895 (2)
Corydalis flavula (Raf.) DC.

Yellowish gentian 1907-1923 (5, 72, 156)
Gentiana alba Muhl. ex Nutt. [also reported as: Gentiana flavida Gray, Dasystephana flavida (Gray) Britton]

Yellowish-white gentian [Yellowish white gentian] 1876-1898 (49, 92)
Gentiana alba Muhl. ex Nutt. [also reported as: Gentiana ochroleuca Froel. (Possibly, Gentiana alba)]

Yellow-puff 1986-Present (4, 50)
Neptunia lutea (Leavenworth) Benth.

Yellow-rod 1900-1929 (157, 158)
Linaria vulgaris P. Mill. [also reported as: Linaria linaria (L.) Karst.]

Yellow-root water dock [Yellow-rooted water dock, Yellow rooted water dock] 1876-1904 (49, 69, 92)
Possibly Rumex orbiculatus Gray var. borealis Rech. f. [also reported as: Rumex britannica L.]

Yellows
1828-1913 (5, 7)
Cypripedium parviflorum Salisb. [also reported as: Cypripedium luteum]
1900-1908 (64, 158)
Cypripedium reginae Walt. [also reported as: Cypripedium hirsutum Mill]
1828 (7)
Ranunculus acris L.

Yellow-sedge bluestem [Yellowsedge bluestem] 1942 (155)
Andropogon virginicus L.

Yellowseed [Yellow seed, Yellow-seed] 1913-1939 (5, 156, 148)
Lepidium campestre (L.) Aiton f. [also reported as: Lepidium campestre (L.) R. Br.]

Yellow-seed false pimpernel [Yellowseed false pimpernel]
Present (50)
Lindernia dubia (L.) Pennell
Present (50)
Lindernia dubia (L.) Pennell var. anagallidea (Michx.) Cooperrider
Present (50)
Lindernia dubia (L.) Pennell var. dubia

Yellow-seed mustard 1840 (19)
Sinapis alba L.

Yellow-spine thistle [Yellow spine thistle, Yellowspine thistle, Yellow spined thistle, Yellow-spined thistle] 1899-Present (3, 4, 5, 50, 93, 97)
Cirsium ochrocentrum Gray [also reported as: Carduus ochrocentrus (Gray) Green]

Yellow-stem white willow [Yellowstem white willow] 1942-1986 (4, 155)
Salix alba L. [also reported as: Salix alba L. ssp. vitellina (L.) Arcang., Salix alba L. var. vitellina (L.) Stokes]

Yellow-throat shooting-star [Yellowthroat shootingstar] 1942 (155)
Dodecatheon pulchellum (Raf.) Merr. ssp. pulchellum [reported as: Dodecatheon salinum A. Nels.]

Yellowtop [Yellow top]
1915 (111) Neb
Calamagrostis canadensis (Michx.) Beauv.
1913 (5)
Calamagrostis stricta (Timm) Koel. ssp. stricta [reported as: Calamagrostis neglecta (Ehrh.) Gaertn.]
1930-1937 (106, 122, 124) TX
Verbesina encelioides (Cav.) Benth. & Hook. f. ex Gray

Yellowtops
Present (50)
Flaveria Juss.
1892 (73, 76)
Solidago L.

Yellow-weed [Yellow weed]
1893-1923 (21, 156)
Amphiachyris dracunculoides (DC.) Nutt.
1828-1876 (7, 92)
Ranunculus acris L.
1913 (5)
Ranunculus bulbosus L.
1894 (75) VT
Solidago L.
1896-1923 (76, 156, 158) Sulphur Grove OH
Solidago canadensis L.
1913-1923 (5, 156)
Solidago canadensis L. var. scabra Torr. & Gray [also reported as: Solidago altissima L.]

Yellow-wood [Yellow wood]
1821 (12)
Maclura Nutt.
1818-1923 (5, 7, 10, 20, 34, 156, 158)
Maclura pomifera (Raf.) Schneid. [also reported as: Maclura aurantiaca Nutt., Toxylon aurantiacum Raf., Toxylon pomiferum Raf.]
1892-1923 (6, 49, 156, 157, 158)
Zanthoxylum americanum P. Mill. [also reported as: Xanthoxylum americanum P. Mill.]

Yellow-wool amorpha [Yellowwool amorpha] 1942 (155)
Amorpha fruticosa L. [reported as: Amorpha croceo-lanata P.W. S. Wats.]

Yen (Chinese, ancient) 1886 (110)
Possibly, Morus alba L.

Yerba buena (Sp.) 1900 (158)
Mentha spicata L.

Yerba colorado 1870 (103) AZ
Rumex L.

Yerba de la feridura (Spanish) 1900 (158)
Stachys L.

Yerba del pasmore (Spanish) 1896 (76) CA
Erigeron annuus (L.) Pers.

Yerba de tajo [Yerba-de-tajo, Yerbadetajo] (Spanish)
1932 (1)
Eclipta L.
1913?-1986 (3, 4, 5, 93, 97, 122, 155)
Eclipta prostrata (L.) L. [also reported as: Eclipta alba (L.) Hassk., Verbesina alba L.]

Yerba de vibrona (Spanish) 1937 (122) TX
Ibervillea lindheimeri (Gray) Greene

Yerba del buey 1930-1937 (106, 122, 124) Southern US
Cissus trifoliata (L.) L. [also reported as: Cissus incisa (Nutt.) Des Moul.]

Yerba del Manza 1919-1922 (52, 53)
Anemopsis californica (Nutt.) Hook. & Arn.

Yerba del negro (Spanish) 1894 (150) NM
Sphaeralcea angustifolia (Cav.) G. Don

Yerba del vibora (Spanish) 1896 (76) CA
Daucus pusillus Michx.

Yerba Mansa [Yerbamansa]
1986-Present (4, 50)
Anemopsis Hook. & Arn.
1898-Present (50, 49, 53, 57, 155, 158)
Anemopsis californica (Nutt.) Hook. & Arn. [also reported as: Houttoynia californica Benth. & Hook.]

Yerba parda (Spanish) 1894 (150) NM
Helianthus ciliaris DC.

Yerba-de-San-Juan 1923 (156)
Achillea millefolium L.

Yerrow 1900 (158)
Achillea millefolium L.

Yethering bells 1879 (46)
Orthilia secunda (L.) House [reported as: Pyrola secunda L.]

Yevering bells 1879 (46)
Orthilia secunda (L.) House [reported as: Pyrola secunda L.]

Ying-sou (Chinese) 1886 (110)
Papaver L.

Yorkshire fog 1896-1913 (5, 45)
Holcus lanatus L. [also reported as: Nothoholcus lanatus (L.) Nash]

Youquepin 1937 (122, 124) TX
Nelumbo lutea Willd.

Youthwort 1876-1929 (92, 157, 158)
Heracleum maximum Bartr. [also reported as: Heracleum lanatum Michx.]

Youthwort [Youth wort] 1892-1923 (5, 6, 52, 92, 156, 158)
Drosera rotundifolia L.

Yucca
1923-Present (50, 1, 138, 148, 155)
Yucca L. [also reported as: Yucca (Rupp.) L.]
1923 (156)
Yucca filamentosa L.
1918-1977 (3, 121, 124, 125, 127)
Yucca glauca Nutt.

Yungfernblüthe (German) 1900 (158)
Drosera rotundifolia L.

Yuva (Sanskrit) 1886 (110)
Hordeum vulgare L. [reported as: Hordeum hexastichon L.]

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