Lepidium
hoarycress, peppergrass, pepperweed
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Lepidium
Publication: Sp. Pl. 2: 643. 1753; Gen. Pl. ed. 5, 291. 1754.
Publication: Sp. Pl. 2: 643. 1753; Gen. Pl. ed. 5, 291. 1754.
Synonyms & Misapplications:
Cardaria [HC]
Coronopus [HC]
Coronopus [HC]
Species in Lepidium:
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Lepidium appelianum – globepodded hoarycress, whitetop
Occurring east of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains, Great Lakes region, and eastern U.,S. -
Lepidium campestre – field cress, field peppergrass, pepperwort Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
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Lepidium chalepense – chalapa hoarycress, lens-podded hoarycress, Asian white-top Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Great Lakes region.
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Lepidium densiflorum – common peppergrass, elongate peppergrass, hairy-fruited peppergrass, large-fruited peppergrass, prairie peppergrass Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
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Lepidium dictyotum – alkali peppergrass, veiny peppergrass Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho, Nevada, and Utah.
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Lepidium didymum – lesser swinecress, lesser wartcress Occurring west of the Cascades crest in Washington; British Columbia to California, Arizona, and Texas eastward and northward to the Atlantic Coast.
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Lepidium draba – heart-podded hoarycress, hoary pepperwort Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
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Lepidium heterophyllum – purple-anther pepperweed, Smith's pepperweed Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southwestern British Columbia to California, also in scattered locations in the eastern U.S.
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Lepidium latifolium – dittander, broad-leaved peppergrass, broad-leaved pepperwort Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Great Plains and eastern North America.
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Lepidium nitidum – shining peppergrass Known from Klickitat County in Washington; south-central Washington to California.
- Lepidium oblongum – oblong pepperweed Occurring west of the Cascades crest in northwestern Washington, where possibly not fully naturalized; northwestern Washington and southwestern Oregon; native to the southern U.S. and Central America.
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Lepidium oxycarpum – forked pepperwort, sharpfruited pepperwort Occurring west of the Cascades crest in the San Juan Islands; disjunct in southern Vancouver Island and adjacent San Juan Islands, otherwise occurring in central California.
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Lepidium perfoliatum – clasping-leaved peppergrass, round-leaved peppergrass, yellow-flowered peppergrass Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Atlantic Coast.
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Lepidium ramosissimum – branched peppergrass Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the northern Great Plains and northeastern North America.
- Lepidium ruderale – narrow-leaved pepperwort, roadside pepperwort
- Lepidium sativum – garden cress pepperwort
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Lepidium strictum – upright peppergrass Occurring west of the Cascades crest in Washington; western Washington to southwestern Oregon.
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Lepidium virginicum – tall pepperweed Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
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ssp. menziesii – coastal peppergrass, hairy peppergrass Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
- ssp. virginicum – tall peppergrass Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Additional Resources:
PNW Herbaria: Specimen records of Lepidium in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Lepidium checklist entry.
OregonFlora: Lepidium information.
E-Flora BC: Lepidium atlas page.
CalPhotos: Lepidium photos.
USDA Plants: Lepidium information.
331 photographs:
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