Historical Common Names of Great Plains Plants: I

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 ;

Iberian centuarea 1942 (155)
Centaurea iberica Trev. ex Spreng.

Iberian knapweed Present (50)
Centaurea iberica Trev. ex Spreng.

Iberian star-thistle [Iberian star thistle] 1986 (4)
Centaurea iberica Trev. ex Spreng.

Iberian violet 1942 (155)
Viola bicolor Pursh [reported as: Viola kitaibeliana J.A. Schultes]

Ibervillea 1900 (158)
Ibervillea Greene

Ice plant [Ice-plant]
1930 (106) TX
Euphorbia marginata Pursh
1828-1923 (6, 7, 48, 49, 61, 156)
Monotropa uniflora L.

Ice-leaf [Ice leaf] 1900-1923 (5, 69, 156, 158)
Verbascum thapsus L.

Ichah'pe-hu (Dakota, whip plant) 1919 (37)
Echinacea angustifolia DC.

I'ckode'bûg (Chippewa, fire leaf) 1928 (40)
Artemisia dracunculus L. [reported as: Artemisia dracunculoides Pursh]

I'ckode'wadji'bik (Chippewa, fire root) 1928 (40)
Capsella bursa-pastoris (L.) Medik. [reported as: Bursa bursa-pastoris (L.) Britton]

Idaho fescue 1939-Present (50, 146, 155)
Festuca idahoensis Elmer

Idianisch apfel (German) 1552 (107) Tragus
Cucurbita pepo L.

Ie-länger-ie-lieber (German) 1900 (158)
Viola tricolor L.

Igname or inhame (Africa) 1886 (110) may refer to several species
Dioscorea L.

Iguame Indigené (French) 1892 (6)
Dioscorea villosa L.

Ihridh (Arabic) 1886 (110)
Carthamus tinctorius L.

Ikwe'mic (Chippewa) 1928 (40)
Prunus americana Marsh.

Ilinois acacia 1878-1913 (5, 86)
Desmanthus illinoensis (Michx.) MacM. ex B.L. Robins. & Fern. [also reported as: Acuan illinoensis (Michx.) Kuntze, Desmanthus brachylobus Benth.]

Illinois bundleflower 1942-1986 (4, 155)
Desmanthus illinoensis (Michx.) MacM. ex B.L. Robins. & Fern.

Illinois fragrant sumac 1942 (155)
Rhus aromatica Aiton var. aromatica [reported as: Rhus aromatica var. illinoensis (Greene) Rehd.]

Illinois gooseberry 1913 (5)
Ribes missouriense Nutt. [reported as: Grossularia missouriensis (Nutt.) Coville & Britton]

Illinois greenbrier Present (50)
Smilax illinoensis Mangaly

Illinois hickery 1785 (8)
Carya illinoinensis (Wangenh.) K. Koch [reported as: Juglans pecan [Marshall]]

Illinois horse-gentian Present (50)
Triosteum aurantiacum Bickn. var. illinoense (Wiegand) Palmer & Steyermark

Illinois mimosa 1900-1929 (5, 72, 97, 157)
Desmanthus illinoensis (Michx.) MacM. ex B.L. Robins. & Fern. [also reported as: Acuan illinoensis (Michx.) Kuntze]

Illinois ninebark 1923-1942 (138, 155)
Physocarpus opulifolius (L.) Maxim. var. intermedius (Rydb.) B.L. Robins. [also reported as: Physocarpus intermedius (Rydb.) Schneid.]

Illinois nut [Illinois-nut] 1900-1923 (5, 156, 158)
Carya illinoinensis (Wangenh.) K. Koch [also reported as: Hicoria pecan (Marsh.) Britton]

Illinois pecan 1900 (158)
Carya illinoinensis (Wangenh.) K. Koch [reported as: Hicoria pecan (Marsh.) Britton]

Illinois pondweed 1942-Present (3, 50, 72, 155)
Potamogeton illinoensis Morong

Illinois strawberry 1942 (155)
Fragaria virginiana Duchesne ssp. grayana (Vilm. ex J. Gay) Staudt [reported as: Fragaria virginiana Duchesne var. illinoensis Gray, Fragaria virginiana Duchn. var. illoensis (Prince) Gray]

Illinois tickclover 1977-1986 (3, 4)
Desmodium illinoense Gray

Illinois tick-trefoil [Illinois tick trefoil, Illinois ticktrefoil] 1899-Present (5, 50, 72, 93, 97, 131)
Desmodium illinoense Gray [also reported as: Meibomia illinoensis (Gray) Kuntze]

Ill-scented sumac [Ill-scented sumach]
1923-1949 (109, 122, 156)
Rhus trilobata Nutt.
1913-1937 (5, 65, 97)
Rhus trilobata Nutt. var. trilobata [also reported as: Schmaltzia tribolata (Nutt.) Small.]

Immerschön Ruhkraut (German) 1892 (6)
Pseudognaphalium obtusifolium (L.) Hilliard & Burtt ssp. obtusifolium [reported as: Gnaphalium polycephalum Michx. (Gnaphalium obtusifolium L.)]

Immortelle (French) 1892 (6)
Pseudognaphalium obtusifolium (L.) Hilliard & Burtt ssp. obtusifolium [reported as: Gnaphalium polycephalum Michx. (Gnaphalium obtusifolium L.)]

Imphee
1876-1901 (56, 92)
Sorghum bicolor (L.) Moench [also reported as: Andropogon sorghum Brot. Fl., Holcus saccharatus L.]
1900 (158)
Sorghum bicolor (L.) Moench ssp. bicolor [reported as: Sorghum vulgare Pers. var. saccharatum (L.) Boerl.]
1896 (45)
Sorghum halepense (L.) Pers. [reported as: Andropogon halepensis (L.) Brot. Fl. ]

Impudent-lawyer [Impudent lawyer] 1894-1923 (5, 156, 157, 158) WV, obsolete by 1923
Linaria vulgaris P. Mill. [also reported as: Linaria linaria (L.) Karst.]

I'natûga'n'ka (Cherokee, snake tongue) 1885 (102)
Asplenium rhizophyllum L. [reported as: Camptosorus rhizophyllus (L) Link.]

Inch plum 1942 (155)
Prunus mexicana S. Wats. [reported as: Prunus lanata Maxk. & Bush]

Increaser-of-Pleasure [Increaser of Pleasure] (India) 1892 (6)
Cannabis sativa L.

India love grass [India lovegrass]
1937-Present (4, 50, 122, 140, 155)
Eragrostis pilosa (L.) Beauv. [also reported as: Eragrostis pilosa (L.) Beauv. var. perplexa (Harvey)]
1977 (3)
Eragrostis pilosa (L.) Beauv. var. pilosa

India mustard [Indian mustard] 1900-Present (3, 4, 5, 50, 97, 107, 155, 156, 157, 158)
Brassica juncea (L.) Czern.

Indian apple [Indian-apple, Indian apples]
1926 (98) Neb
Astragalus crassicarpus Nutt. var. crassicarpus
1892-1929 (5, 6, 49, 64, 92, 156, 157, 158)
Podophyllum peltatum L.

Indian arrow 1892-1923 (73, 92, 156)
Euonymus atropurpurea Jacq. [also reported as: Euonymus atropurpureus Jacq.]

Indian arrow-wood [Indian arrow wood, Indian arrowwood]
1900-1913 (5, 158)
Cornus florida L. [also reported as: Cynoxylon floridum (L.) Raf.]
1869-1929 (5, 6, 49, 53, 58, 92, 157, 158)
Euonymus atropurpurea Jacq. [also reported as: Euonymus atropurpureus Jacq.]

Indian balm 1828 (7)
Trillium cernuum L. [reported as: Trillium latifolium [Raf.]]

Indian bean
1895 (1, 2)
Catalpa Scop.
1923-1930 (106, 156)
Catalpa speciosa (Warder) Warder ex Engelm.

Indian beard grass [Indian beard-grass]
1913 (5)
Andropogon glomeratus (Walt.) B.S.P.
1901 (56) IA
Sorghastrum nutans (L.) Nash [reported as: Andropogon nutans L.]

Indian blanket or Indian blanket-flower [Indian blanket flower]1937-1986 (4, 124) TX
Gaillardia pulchella Foug.

Indian boys-and-girls [Indian boys and girls, Indian-boys-and-girls] 1896-1923? (5, 76, 156, 158) WI, obsolete by 1923
Dicentra cucullaria (L.) Bernh. [also reported as: Bicuculla cucullaria (L.) Millsp.]

Indian breadroot [Indian bread root, Indian bread-root]
Present (50)
Pediomelum Rydb.
1900-1936 (5, 93, 122, 138, 156, 158)
Pediomelum esculentum (Pursh) Rydb. [also reported as: Psoralea esculenta Pursh]
1923 (156)
Pediomelum hypogaeum (Nutt. ex Torr. & Gray) Rydb. var. hypogaeum [reported as: Psoralea hypogaea Nutt.]

Indian cannabis 1917 (57)
Cannabis sativa L.

Indian cherry 1919 (107)
Prunus angustifolia Marsh. [reported as: Prunus chicasa Michx.]

Indian chickweed
1849-1932 (1, 13, 15, 158)
Mollugo L.
1912-1923 (5, 62, 156)
Mollugo verticillata L.

Indian chief 1894-1923 (5, 75, 156) Rockford IL
Dodecatheon meadia L.

Indian chocolate 1892-1923 (5, 6, 92, 107, 156, 158)
Geum rivale L.

Indian cigar tree 1986 (4)
Catalpa Scop. [reported as: Catalpa L.]

Indian corn
1814-1942 (45, 155, 158, 163, 167)
Zea L.
1818-1949 (7, 10, 37, 40, 41, 56, 57, 66, 68, 87, 92, 94, 103, 106, 109, 110,117, 119, 121, 138, 155, 158)
Zea mays L. [also reported as: Mayzea cerealis Tt. Raf.]

Indian couch grass [Indian couch-grass] 1900 (158)
Cynodon dactylon (L.) Pers. [reported as: Capriola dactylon (L.) Kuntze]

Indian creeper 1923 (156)
Campsis radicans (L.) Seem. ex Bureau [reported as: Tecoma radicans Juss.]

Indian cup [Indian-cup] or Indian cup plant [Indian cup-plant] 1870-1949 (5, 62, 93, 109, 156, 158)
Silphium perfoliatum L.

Indian currant [Indian-currant, Indian currants]
1806 (35) William Clark
Ribes aureum Pursh
1930 (82) IA
Symphoricarpos Duham. [reported as: Symphoricarpos (Dill) Ludw.]
1937 (112) Neb
Symphoricarpos albus (L.) Blake var. albus [reported as: Symphoricarpos racemosus Michx.]
1937 (112) Neb
Symphoricarpos occidentalis Hook.
1785-1949 (2, 5, 8, 63, 80, 92, 106, 109, 113, 114, 130, 156, 157, 158)
Symphoricarpos orbiculatus Moench [also reported as: Lonicera symphoricarpos L., Symphoricarpos symphoricarpos (L.) McM., Symphoricarpos vulgaris Michx.]

Indian doob 1913 (5)
Cynodon dactylon (L.) Pers. [reported as: Capriola dactylon (L.) Kuntze]

Indian elm 1876-1929 (5, 92, 156, 157, 158)
Ulmus rubra Muhl. [also reported as: Ulmus fulva Michx]

Indian fig
1818-1932 (1, 2, 10, 14, 106)
Opuntia P. Mill. [reported as: Cactus L.]
1919 (107)
Opuntia engelmannii Salm-Dyck
1900-1913 (5, 158)
Opuntia humifusa (Raf.) Raf. var. humifusa [also reported as: Opuntia opuntia (L.) Coult., Opuntia opuntia (L.) Karst.]

Indian ginger
1818 (10)
Asarum L. [reported as: Asarum (Tourn.) L.]
1828-1923 (5, 7, 49, 53, 58, 64, 92, 156, 158)
Asarum canadense L.

Indian goose grass [Indian goosegrass] Present (50)
Eleusine indica (L.) Gaertn.

Indian grass [Indian grass, Indian-grass]
1932-Present (1, 50, 93, 155)
Sorghastrum Nash
1852-Present (3, 5, 45, 50, 56, 66, 72, 85, 87, 92, 94, 115, 119, 122, 131, 134, 140, 144, 163)
Sorghastrum nutans (L.) Nash [also reported as: Andropogon nutans L., Andropogon nutans avenaceus(Michx.) Hack., Chrysopogon avenaceus Benth., Chrysopogon nutans Benth.]

Indian gravelroot [Indian gravel root, Indian gravel-root] 1900-1923 (5, 64, 156, 158)
Eupatorium purpureum L.

Indian heart [Indian-heart] 1900 (158)
Cardiospermum halicacabum L.

Indian heliotrope 1913-Present (5, 50, 97, 122)
Heliotropium indicum L.

Indian hemp [Indianhemp]
1896-1923 (5, 76, 156, 158) OH , misapplied
Abutilon theophrasti Medik. [also reported as: Abutilon abutilon (L.) Rusby, Abutilon avicennae Gaert.]
1818-1936 (2, 10, 93)
Apocynum L.
1900-1929 (49, 101, 157, 158)
Apocynum androsaemifolium L.
1770-Present (5, 19, 41, 46, 48, 49, 50, 53, 54, 58, 61, 62, 63, 72, 80, 82, 85, 93, 97, 105, 106, 114, 125, 127, 131, 145, 148, 156, 157, 158)
Apocynum cannabinum L. [also reported as: Apocynum hypericifolium Aiton]
1879 (46)
Asclepias incarnata L.
1892-1930 (6, 57, 60, 125)
Cannabis sativa L.
1894-1923 (75, 156) WV
Linaria vulgaris P. Mill. [also reported as: Linaria vulgaris Hill]

Indian hemp dogbane 1986 (4)
Apocynum cannabinum L.

Indian hippo 1828-1898 (7, 49)
Porteranthus stipulatus (Muhl. ex Willd.) Britt. [also reported as: Gillenia stipulacea Nutt.]

Indian Jack-in-the-pulpit [Indian Jackinthepulpit] 1942 (155)
Arisaema triphyllum (L.) Schott [reported as: Arisaema triphyllum (L.) Torr.]

Indian lettuce 1876-1923 (5, 92, 156, 158)
Pyrola americana Sweet [also reported as: Pyrola rotundifolia L.]

Indian mallow [Indian mallows]
1895-Present (1, 4, 50, 15, 156)
Abutilon P. Mill.
1937 (122) TX
Abutilon incanum (Link) Sweet
1840-1932 (5, 19, 58, 62, 80, 85, 97, 131, 156, 157, 158)
Abutilon theophrasti Medik. [also reported as: Abutilon abutilon (L.) Rusby, Abutilon avicennae Gaert.]
1900-1936 (93, 158) Neb
Sida L.
1876-1923 (5, 92, 156) misapplied
Sida spinosa L.

Indian marsh milkweed [Indian marsh milk-weed] 1929 (157)
Eupatorium purpureum L.

Indian milkvetch [Indian milk vetch] 1899-Present (4, 5, 50, 131, 155)
Astragalus australis (L.) Lam. [also reported as: Astragalus aboriginorum Richards, Astragalus aboriginorum glabriusculus (Hook.) Rydb.]

Indian millet
1886-1915 (5, 56, 94, 101, 111, 129, 141)
Achnatherum hymenoides (Roemer & J.A. Schultes) Barkworth [also reported as: Oryzopsis cuspidata Benth., Possibly this species]
1896-1949 (45, 109)
Pennisetum glaucum (L.) R. Br. [also reported as: Pennisetum typhoideum Rich.]
1885-1896 (45, 88)
Panicum miliaceum L.
1894-1901 (129, 94)
Piptatherum micranthum (Trin. & Rupr.) Barkworth [also reported as: Oryzopsis micrantha (Trin. & Rupr.) Thurb.]
1828 (7)
Sorghum Moench [reported as: Sorghum L.]
1901 (56) IA
Sorghum bicolor (L.) Moench [reported as: Andropogon sorghum Brot. Fl.]
1840-1903 (19, 66, 87, 92, 158)
Sorghum bicolor (L.) Moench ssp. bicolor [also reported as: Sorghum vulgare]
1896 (45)
Sorghum halepense (L.) Pers. [reported as: Andropogon halepensis (L.) Brot. Fl.]

Indian mountain rice 1852 (163)
Achnatherum hymenoides (Roemer & J.A. Schultes) Barkworth [reported as: Oryzopsis hymenoides (R. & S.) Ricker]

Indian mugwort 1900 (158)
Parthenium hysterophorus L.

Indian paint [Indian-paint]
1932-1936 (1, 93) Neb
Lithospermum L. [also reported as: Lithospermum (Tourn.) L.]
1898 (3, 75, 77, 156, 157, 158) MN, Southwest MO, said to be used this way by Indians
Lithospermum canescens (Michx.) Lehm.
1905 (101) MT
Lithospermum incisum Lehm. [reported as: Lithospermum angustifolium Michx.]
1892-1922 (6, 49, 53)
Sanguinaria canadensis L.
1898 (78) Mineral Point WI, juice said to irritate skin and make it red
Tradescantia L.

Indian paintbrush [Indian paint-brush]
1932-Present (1, 4, 50, 93)
Castilleja Mutis ex L. f.
1892-1977 (3, 5, 73, 97, 138, 155, 156, 158)
Castilleja coccinea (L.) Spreng.
1932 (85) SD
Castilleja sulphurea Rydb.

Indian pea
1870 (103)
Astragalus L.
1905 (101) MT
Astragalus crassicarpus Nutt. var. crassicarpus [reported as: Astragalus caryocarpus Ker-Gawl.]

Indian physic [Indian-physic, Indianphysic]
1898-1923 (64, 92, 156)
Apocynum cannabinum L.
1828-1898 (6, 7, 49)
Euphorbia corollata L.
1818-1986 (2, 4, 10, 156)
Porteranthus Britt. ex Small [also reported as: Gillenia Moench]
1828-Present (50, 4, 3, 7, 49, 61, 92, 102, 138, 155, 158)
Porteranthus stipulatus (Muhl. ex Willd.) Britt. [also reported as: Gillenia stipulacea Nutt., Gillenia stipulata (Muhl.) Baill.]

Indian pink
1894-1923 (5, 75, 156) Peoria IL
Castilleja coccinea (L.) Spreng.
1932-1936 (1, 93) Neb
Cleome L. [also reported as: Peritoma DC.]
1900-1923? (5, 156, 158) obsolete by 1923
Ipomoea quamoclit L. [also reported as: Quamoclit quamoclit (L.) Britton]

Indian pipe [Indian-pipe, Indianpipe]
1895-Present (2, 4, 50, 138, 155, 156, 158)
Monotropa L.
1892-Present (1, 3, 4, 5, 6, 19, 49, 50, 63, 72, 92, 95, 131, 138, 155, 156, 157, 158)
Monotropa uniflora L.

Indian plaintain
1894-Present (2, 4, 50, 63, 75, 82, 156) IA WV
Arnoglossum Raf. [also reported as: Cacalia L. (Great Plains species)]
1852 (47)
Arnoglossum atriplicifolium (L.) H.E. Robins. [reported as: Cacalia atriplicifolia L.]
1900-1986 (4, 95, 124, 157)
Arnoglossum plantagineum Raf. [also reported as: Cacalia plantaginea (Raf.) Shinners, Cacalia tuberosa Nutt., Mesadenia tuberosa (Nutt.) Britton]
1986 (4)
Plantago psyllium L. [reported as: Plantago arenaria Waldst. & Kit.]
1900-1936 (1, 93, 158) Neb
Senecio L. [also reported as: Mesadenia Raf.]

Indian plantroot [Indian plant root] 1937 (124) TX
Pediomelum esculentum (Pursh) Rydb. [reported as: Psoralea esculenta Pursh]

Indian posy [Indian posey, Indian-posy]
1900-1923 (5, 156, 158)
Anaphalis margaritacea (L.) Benth. & Hook
1900-1923? (5, 64, 156, 157, 158) obsolete by 1923
Asclepias tuberosa L.
1876?-1923? (5, 6, 49, 75, 76, 92, 156) Stonington CT, Southold Long Island, obsolete by 1923
Pseudognaphalium obtusifolium (L.) Hilliard & Burtt ssp. obtusifolium [also reported as: Gnaphalium polycephalum Michx., Gnaphalium obtusifolium L.]

Indian potato [Indian-potato] 1828-1923 (7, 92, 121, 156)
Apios americana Medik. [also reported as: Apios tuberosa Moench]

Indian puccoon 1900-1929 (156, 157, 158)
Lithospermum canescens (Michx.) Lehm.

Indian reed or Indian reed grass [Indian reed-grass]
1840-1938 (5, 19, 56, 66, 92, 94, 119, 129)
Cinna arundinacea L.
1852 (163)
Sorghastrum nutans (L.) Nash

Indian rice
1896-1936 (1, 45, 66, 93, 158)
Zizania L.
1820-1919 (2, 43, 46, 66, 67, 87, 88, 92, 107, 111, 129, 131, 157, 158)
Zizania aquatica L.

Indian rice grass [Indian ricegrass] 1926-Present (3, 50, 98, 140, 146, 155)
Achnatherum hymenoides (Roemer & J.A. Schultes) Barkworth [also reported as: Stipa hymenoides Roemer & J.A. Schultes, Oryzopsis hymenoides (R. & S.) Ricker]

Indian root [Indian-root] 1892-1929 (64, 73, 92, 156, 157, 158)
Aralia racemosa L.

Indian rush-pea [Indian rushpea] 1942-Present (4, 50, 155)
Hoffmannseggia glauca (Ortega) Eifert [also reported as: Hoffmannseggia densiflora Benth.]

Indian-sage [Indian sage] 1828-1936 (5, 6, 7, 49, 53, 69, 93, 156, 157, 158)
Eupatorium perfoliatum L.

Indian salad 1919-1923 (107, 156)
Hydrophyllum virginianum L. [also reported as: Hydrophyllum virginicum L.]

Indian salt 1876 (92)
Rhus glabra L. [reported as: Rhus glabrum]

Indian sanicle 1876-1923 (5, 92, 156)
Ageratina altissima (L.) King & H.E. Robins. [reported as: Ageratum altissimum L., Eupatorium ageratoides L. ]

Indian shamrock 1828 (7)
Trillium cernuum L. [reported as: Trillium latifolium [Raf.]]

Indian shoe
1913-1923 (5, 156)
Cypripedium parviflorum Salisb.
1908 (64)
Cypripedium reginae Walt. [reported as: Cypripedium hirsutum Mill]

Indian soap plant [Indian soap-plant] 1913-1923 (5, 156)
Sapindus saponaria L. var. drummondii (Hook. & Arn.) Bensons [also reported as: Sapindus drummondii Hook. & Arn.]

Indian strawberry
1840-1923 (5, 19, 92, 156, 158)
Chenopodium capitatum (L.) Ambrosi [also reported as: Blitum capitatum L., Chenopodium capitatum Watson]
1923 (156)
Duchesnea Sm.
1876-Present (5, 50, 92, 156, 158)
Duchesnea indica (Andr.) Focke [also reported as: Fragaria indica]
1899 (131) SD
Fragaria vesca L. ssp. americana (Porter) Staudt [reported as: Fragaria americana (Porter) Britton]

Indian suicideplant [Indian suicide plant] 1929 (157)
Cicuta maculata L. var. angustifolia Hook. [reported as: Cicuta occidentalis Greene]

Indian tea 1919-1923 (37, 156)
Ceanothus americanus L.

Indian thistle 1900-1923 (5, 75, 156, 158) WV
Dipsacus fullonum L. [also reported as: Dipsacus sylvestris Huds.]

Indian tobacco [Indian-tobacco]
1936 (93) Neb
Antennaria Gaertner
1919 (107)
Cornus sericea L. ssp. sericea [reported as: Cornus stolonifera Michx.]
1939 (148) CO
Lobelia cardinalis L. [reported as: Lobelia splendens Willd.]
1852-Present (3, 4, 5, 6, 7, 46, 47, 48, 49, 50, 52, 53, 55, 57, 59, 60, 61, 62, 63, 69, 72, 92, 97, 101, 109, 125, 138, 156, 157, 158)
Lobelia inflata L.
1770 (41) Kalm notes that Indians never smoked this plant despite the name
Verbascum thapsus L.

Indian turnip
1932-1936 (1, 93, 158)
Arisaema Martens
1923 (156) misapplied
Arisaema dracontium (L.) Schott
1828-1937 (7, 37, 46, 48, 49, 53, 57, 58, 64, 86, 92, 156, 157, 158)
Arisaema triphyllum (L.) Schott [also reported as: Arisaema triphyllum (L.) Torr., Arum triphyllum L.]
1932 (1)
Pediomelum Rydb.
1870-1933 (47, 49, 85, 101, 103, 107, 127, 131)
Pediomelum esculentum (Pursh) Rydb. [also reported as: Psoralea esculenta Pursh]

Indian warrior 1932 (1)
Pedicularis L. [reported as: Pedicularis (Tourn.) L.]

Indian wheat
1900 (158)
Fagopyrum esculentum Moench
1939 (146) MT
Plantago patagonica Jacq. [reported as: Plantago purshii Roemer & J.A. Schultes]
1901 (94)
Urochloa ciliatissima (Buckl.) R. Webster [reported as: Panicum ciliatissimum Buckl.]
1645-1919 (18, 14, 18, 19, 37, 107) Cardan
Zea mays L.

Indian wickopy or Indian wickup 1900-1929 (5, 157, 158)
Chamerion angustifolium (L.) Holub

Indian wild plum 1926 (98) Neb
Astragalus crassicarpus Nutt. var. crassicarpus

Indian woodoats Present (50)
Chasmanthium latifolium (Michx.) Yates

Indian-cedar [Indian cedar] 1900-1929 (156, 157, 158)
Ostrya virginiana (P. Mill.) K. Koch

Indian-currant snowberry [Indiancurrant snowberry] 1942 (155)
Symphoricarpos orbiculatus Moench

Indianische Aronswurz (German) 1900 (158)
Arisaema triphyllum (L.) Schott [reported as: Arisaema triphyllum (L.) Torr.]

Indianischer Hanf (German) 1900 (158)
Apocynum cannabinum L.

Indian-mallow abutilon [Indianmallow abutilon] 1942 (155)
Abutilon incanum (Link) Sweet

Indian-paint [Indian paint] 1894-1913 (5, 75, 156, 158) Tobique River NB, from bright color of fruit
Chenopodium capitatum (L.) Ambrosi [also reported as: Blitum capitatum L., Chenopodium capitatum Watson]

Indian's dream [Indian's-dream, Indian dream] 1876?-1913 (5, 92, 158)
Pellaea atropurpurea (L.) Link [also reported as: Pteris atropupurea L.]

Indian-tobacco lobelia [Indiantobacco lobelia] 1942 (155)
Lobelia inflata L.

India-strawberry 1949 (109)
Duchesnea Sm.

Indicator 1898 (78, 158) Jackson WV, thought to indicate presence of ginseng
Botrychium virginianum (L.) Sw.

Indigo or Indigo plant 1818-1986 (1, 4, 10, 50, 92, 138, 155, 158)
Indigofera L.

Indigo leadplant [Indigo lead plant] 1930 (82) IA
Amorpha L.

Indigo-bush [Indigobush] 1923 (138, 156)
Amorpha fruticosa L.

Indigo-bush amorpha [Indigobush amorpha] 1942 (155)
Amorpha fruticosa L.

Indigo-plant [Indigo plant] 1937 (112) Neb
Amorpha fruticosa L.

Indischer Ingwer (German) 1900 (158)
Asarum canadense L.

Indländischer rhabarber (German) 1900 (158)
Rheum rhabarbarum L. [reported as: Rheum rhaponticum L.]

Infant's-breath [Infant's breath] 1898 (77) Oxford Co. ME
Lysimachia nummularia L.

Inflata sedge 1913 (5)
Carex vesicaria L.

Inflated melic grass [Inflated melic-grass] 1901 (94)
Melica bulbosa Geyer ex Porter & Coult. [reported as: Melica inflata (Boland.) Vasey]

Ingahawmp (Snakes) 1905 (101) MT
Shepherdia argentea (Pursh) Nutt.

Ingathahe-hazi-i-ta (Omaha-Ponca, thunder grapes 1919 (37)
Menispermum canadense L.

Ingtha hazi itai (Omaha-Ponca) 1919 (37)
Parthenocissus quinquefolia (L.) Planch.

Ini-Ize (Osage) 1918?-1970? (121)
Lagenaria siceraria (Molina) Standl. [reported as: Lagenaria siceraria Standl.]

Inijan pezuta or inijanpi (Lakota, sore mouth medicine) 1918?-1970? (121)
Erigeron annuus (L.) Pers.

Ini'niwûnj (Chipewwa, man-like) 1928 (40)
Asclepias syriaca L.

Injin physic 1893 (74) Banner Elk NC
Porteranthus stipulatus (Muhl. ex Willd.) Britt. [reported as: Gillenia stipulacea Nutt. ]

Ink bush 1898 (77) Southold Long Island
Phytolacca americana L.

Inkberry [Ink-berry] or Inkberry bush [Ink-berry bush]
1898-1919 (5, 37, 77)
Phytolacca americana L.
1903-1923 (62, 64, 69, 156)
Phytolacca americana L. var. americana [also reported as: Phytolacca decandra L.]

Ink-berry roots 1929 (157)
Phytolacca americana L. var. americana [reported as: Phytolacca decandra L.]

Inland blue grass [Inland blue grass, Inland bluegrass] 1852-Present (3, 50, 122, 155, 163)
Poa nemoralis L. ssp. interior (Rydb.) W.A. Weber [also reported as: Poa interior Rydb.]

Inland boxelder 1942 (155)
Acer negundo L. var. interius (Britton) Sargent [reported as: Acer negundo interius]

Inland ceanothus 1942 (155)
Ceanothus herbaceus Raf. [reported as: Ceanothus ovatus Desf. (possibly C. herbaceus)]

Inland cord grass 1913 (5)
Spartina gracilis Trin.

Inland gooseberry Present (50)
Ribes oxyacanthoides L. ssp. setosum (Lindl.) Sinnott

Inland Jersey-tea 1923 (138)
Ceanothus herbaceus Raf. [reported as: Ceanothus ovatus]

Inland marsh fleabane 1913-1937 (5, 97, 122)
Pluchea camphorata (L.) DC. [also reported as: Pluchea petiolata Cass.]

Inland marsh fleabane 1937 (124) TX
Pluchea odorata (L.) Cass [reported as: Pluchea purpurascens (Sw.) DC.]

Inland nightshade 1942 (155)
Solanum interius Rydb.

Inland rush
1911-Present (3, 5, 50, 93, 139, 155)
Juncus interior Wieg.
Present (50)
Juncus interior Wieg. var. interior

Inland salt grass [Inland saltgrass] 1942-Present (50, 140, 155)
Distichlis spicata (L.) Greene [also reported as: Distichlis stricta (Torr.) Rydb.]

Inland sedge 1907-Present (5, 50, 72, 139, 155)
Carex interior Bailey

Innocence
1900-1923 (5, 156, 158)
Collinsia verna Nutt.
1923 (156)
Hedyotis nigricans (Lam.) Fosberg var. nigricans [reported as: Houstonia angustifolia Michx.]
1937 (97) OK
Houstonia humifusa (Gray) Gray

Insaneroot [Insane root, Insane-root] 1900-1923 (5, 156, 158)
Hyoscyamus niger L.

Inshtogah'te-hi (Omaha-Ponca, eye-lotion plant 1919 (37)
Symphoricarpos orbiculatus Moench [reported as: Symphoricarpos symphoricarpos (L.) McM.]

Interior iris 1942 (155)
Iris virginica L. var. shrevei (Small) E. Anders. [reported as: Iris shrevei Small]

Interior ironweed Present (50)
Vernonia baldwinii Torr. ssp. interior (Small) Faust

Intermediate aristida 1901 (56) IA
Aristida longispica Poir. var. geniculata (Raf.) Fern [reported as: Aristida intermedia Scribn. & Ball]

Intermediate barley Present (50)
Hordeum jubatum L. ssp. intermedium Bowden

Intermediate dogbane 1913 (5)
Apocynum ×floribundum Greene [reported as: Apocynum medium Greene]

Intermediate lion's-heart [Intermediate lionsheart] 1977 (3)
Physostegia intermedia (Nutt.) Engelm. & Gray

Intermediate milkweed 1913 (5)
Asclepias syriaca L. [reported as: Asclepias intermedia Vail.]

Intermediate scouring-rush [Intermediate scouring rush] 1986 (4)
Equisetum ×ferrissii Clute [hyemale × laevigatum]

Intermediate wheat grass [Intermediate wheatgrass] 1937-Present (3, 50, 97)
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey [also reported as: Agropyron intermedium (Host) Beauv., Agropyron intermedium (Host) Beauv. var. trichophorum (Link) Halac.]

Interrupted clubmoss [Interrupted club moss] 1913 (5)
Lycopodium annotinum L.

Interrupted pondweed 1913 (5)
Stuckenia vaginatus (Turcz.) Holub [reported as: Potamogeton interruptus Kitaibel]

Introduced heliotrope 1937 (124) TX
Heliotropium indicum L.

Introduced sage Present (50)
Salvia pratensis L.

Inu nassuna (Japanese) 1879 (46)
Arabis hirsuta (L.) Scop. [reported as: Arabis hirsuta Scop.]

Inubthon-kithe-sabe-hi (Omaha-Ponca, black perfume plant) 1919 (37)
Aquilegia canadensis L.

Involute-leaf sedge [Involute-leaved sedge]
1907-1913 (5, 72) IA
Carex duriuscula C.A. Mey. [also reported as: Carex stenophylla Whal.]
1913 (5)
Carex sterilis Willd.

Iodanthus Present (50)
Iodanthus Torr. & Gray

Iowa barley Present (50)
×Elyhordeum iowense Pohl

Iowa bunch grass 1901 (56) IA
Sporobolus heterolepis (Gray) Gray

Iowa crab 1986 (4)
Malus ioensis (Wood) Britton var. ioensis [reported as: Pyrus ioensis Bailey]

Iowa moonwort Present (50)
Botrychium campestre W.H. Wagner & Farrar

Iowa pigweed 1913 (80) IA
Possibly,Amaranthus albus L. [reported as: Amaranthus graecizans L. ]

Iowa wild crab apple 1930 (82) IA
Malus ioensis (Wood) Britton var. ioensis [reported as: Pyrus ioensis (Wood) Bailey]

I'-pah (Kioway) 1855 (132)
Pinus L.

Ipecac
1828 (7)
Apocynum androsaemifolium L.
1828-1898 (7, 49)
Euphorbia corollata L.
1828 (7)
Porteranthus stipulatus (Muhl. ex Willd.) Britt. [reported as: Gillenia stipulacea Nutt. ]
1828 (7)
Triosteum perfoliatum L.

Ipecacuana 1828 (7)
Euphorbia corollata L.

Ipomoea 1949 (109)
Ipomoea L.

Ipomopsis Present (50)
Ipomopsis Michx.

Iris
1923-Present (50, 138, 155)
Iris L.
1908-1917 (57, 64)
Iris versicolor L.

Iris root 1929 (157)
Iris versicolor L.

Iris varié (French) 1900 (158)
Iris versicolor L.

Irish daisy 1900-1929 (5, 64, 69, 156, 157, 158)
Taraxacum officinale G.H. Weber ex Wiggers [also reported as: Leontodon taraxacum L.]

Irish moss 1892-1913 (5, 73, 158) NB, misapplied
Euphorbia cyparissias L. [also reported as: Tithymalus cyparissias (L.) Hill.]

Iron ipomopsis Present (50)
Ipomopsis laxiflora (Coult.) V. Grant

Iron oak
1900 (158)
Quercus marilandica Muench [reported as: Quercus marylandica Muench]
1840-1923 (2, 5, 19, 75, 156) WV
Quercus stellata Wangenh. [also reported as: Quercus obtusiloba Michx.]

Iron-grass [Iron grass] 1900-1923 (156, 158)
Polygonum aviculare L.

Ironplant [Iron plant] 1936 (93) Neb
Machaeranthera Nees [reported as: Sideranthus Fraser]

Ironplant goldenweed 1942 (155)
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida [reported as: Aplopappus spinulosus (Pursh) DC.]

Ironweed [Iron weed, Iron weed]
1929 (157)
Ambrosia trifida L.
1900-1923 (5, 75, 156, 158) Jones Co. IA, misapplied
Verbena hastata L.
1913-1986 (4, 80)
Verbesina alternifolia (L.) Britton ex Kearney [also reported as: Actinomeris alternifolia (L.) DC.]
1828-Present (1, 2, 7, 50, 63, 82, 93, 106, 109, 138, 155, 156, 158)
Vernonia Schreber
1897 (145) KS
Vernonia arkansana DC.
1876-1913 (80, 92)
Vernonia baldwinii Torr.
1869-1930 (47, 48, 58, 82, 114, 127)
Vernonia fasciculata Michx.
Present (50)
Vernonia fasciculata Michx.ssp. corymbosa (Schwein. ex Keating) S.B. Jones

Ironwood [Iron wood, Iron-wood]
1932-1986 (1, 2, 4, 93)
Ostrya Scop. [also reported as: Ostrya (Michx.) Scop.]
1840-1986 (2, 4, 5, 6, 9, 19, 20, 40, 47, 49, 57, 65, 72, 85, 92, 93, 97, 109, 113, 130, 131, 156, 157, 158)
Ostrya virginiana (P. Mill.) K. Koch [also reported as: Carpinus ostrya L. and Ostrya virginica Willd.(Possibly, O.virginiana )]
1828 (7)
Sideroxylon L.

Ironwort [Iron-wort]
1671 (46) accidentally introduced by 1671, Josselyn
Anthemis cotula L. [reported as: Maruta cotula (L.) DC..]
1900-1923 (5, 156, 158)
Galeopsis bifida Boenn. [also reported as: Galeopsis tetrahit L.]

Irregular polypody Present (50)
Polypodium amorphum Suksdorf

Isfist (Persian) 1886 (110)
Medicago sativa L.

Isopyrum 1942 (155)
Enemion Raf. [reported as: Isopyrum L.]

Ispanapnheca (Lakota) 1918?-1970? (121)
Ostrya virginiana (P. Mill.) K. Koch

Italian barley 1900 (158) varieties of 2-rowed barley
Hordeum vulgare L. [reported as: Hordeum distichon L.]

Italian black poplar
1900 (158)
Populus deltoides Bartr. ex Marsh.
1882 (14)
Populus deltoides Bartr. ex Marsh. ssp. monilifera (Aiton) Eckenwalder [reported as: Populus monilifera Aiton]

Italian clover 1886-1923 (5, 45, 68, 110, 156, 158)
Trifolium incarnatum L.

Italian cocklebur 1942 (155)
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray [reported as: Xanthium italicum Moretti]

Italian millet 1852-1944 (5, 45, 56, 85, 87, 90, 92, 107, 93, 94, 110, 140, 151, 152, 158, 163)
Setaria italica (L.) Beauv. [also reported as: Chaetochloa italica (L.) Scribn., Chamaeraphis italica (L.) Kuntze, Panicum italicum L.]

Italian poplar 1840 (19)
Populus nigra L. [reported as: Populus dilatata W.]

Italian ray grass [Italian ray-grass] 1890-1903 (45, 56, 66, 67, 157)
Lolium perenne L. ssp. multiflorum (Lam.) Husnot [also reported as: Lolium italicum A. Br., Lolium multiflorum Lam.]

Italian rye or Italian rye grass [Italian ryegrass, Italian rye-grass]
1884-1898 (87, 90, 118)
Lolium perenne L.Lolium perenne L. ssp. multiflorum (Lam.) Husnot
1852-Present (5, 45, 50, 68, 87, 92, 94, 109, 110, 119, 122, 120, 138, 143, 155, 163)
Lolium perenne L. ssp. multiflorum (Lam.) Husnot [also reported as: Lolium italicum A. Br. , Lolium multiflorum Lam.]

Itopta sapa tapezuta (Lakota, black-footed ferret medicine) 1918?-1970? (121)
Euphorbia marginata Pursh

Its (Pawnee) 1919 (37)
Apios americana Medik. [reported as: Glycine apios L.]

Ivory 1938 (119) OK
Lolium temulentum L.

Ivraie (French) 1900 (158)
Lolium temulentum L.

Ivray 1900-1929 (157, 158)
Lolium temulentum L.

Ivy 1770 (41)
Parthenocissus quinquefolia (L.) Planch. [reported as: Hedera quinquefolia]

Ivy bindweed 1900-1923 (5, 156, 158)
Polygonum convolvulus L. [also reported as: Tiniaria convolvulus (L.) Webb & Moq.]

Ivy chickweed 1900-1923 (5, 156, 158)
Veronica hederifolia L. [also reported as: Veronica hederaefolia L.]

Ivy speedwell 1840-1913 (5, 19)
Veronica hederifolia L. [also reported as: Veronica hederaefolia L.]

Ivy treebine 1942 (155)
Cissus trifoliata (L.) L. [reported as: Cissus incisa (Nutt.) Des Moul.]

Ivy-leaf duckweed [Ivy-leaved duckweed] 1907-1936 (5, 72, 93, 156)
Lemna trisulca L.

Ivy-leaf ground-cherry [Ivyleaf groundcherry]
Present (50)
Physalis hederifolia Gray
Present (50)
Physalis hederifolia Gray var. comata(Rydb.) Waterfall

Ivy-leaf morning-glory [Ivyleaf morning-glory, Ivyleaf morning glory, Ivyleaf morningglory, Ivy-leaf morning glory, Ivy-leaved morning glory, Ivy-leaved morning-glory] 1899-Present (3, 4, 5, 50, 62, 72, 85, 93, 97, 131, 138, 155, 157)
Ipomoea hederacea Jacq.

Ivy-leaf rough bindweed [Ivy leaved rough bindweed] 1785 (8)
Smilax glauca Walt. [reported as: Smilax sarsaparilla L.]

Ivy-leaf speedwell [Ivyleaf speedwell, Ivy-leaved speedwell] 1900-Present (50, 3, 4, 5, 155, 156, 158)
Veronica hederifolia L. [also reported as: Veronica hederaefolia L.]

Ivy-leaf toad flax [Ivy-leaved toad flax] 1876?-1923 (5, 92, 156)
Cymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. [also reported as: Cymbalaria cymbalaria (L.) Wettst., Linaria cymbalaria (L.) P. Mill.]

Ivyweed [Ivy weed, Ivy-weed] 1913-1923 (5, 156)
Cymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. [also reported as: Cymbalaria cymbalaria (L.) Wettst., Linaria cymbalaria (L.) P. Mill.]

Izna-kithe-iga hi (Omaha-Ponca) 1919 (37)
Possibly,Monarda fistulosa L. [reported as: Monarda fistulosa var. washtemma]

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