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Lepidium draba
Also called Whitetop, Pepper Cress, Heart Pod Hoary Cress, Thanet Cress, Heart Pod Hoarycress, Heart Pod Whitetop, Hoary Cardaria
Lepidium draba, commonly known as hoary cress, whitetop, whiteweed, or peppergrass, is a perennial plant species in the mustard family, Brassicaceae. It is native to Eurasia, specifically regions of Europe and western to central Asia, but has become widely distributed across the globe, including most of the United States, as well as in Canada and parts of Mexico.
L. draba contains chemical compounds known as glucosinolates, which can be toxic to livestock if consumed in large quantities.
Lepidium draba is native to Eurasia, specifically regions of Europe and western to central Asia, but has become widely distributed across the globe. In North America, it is now found throughout most of the United States, particularly in the central and western regions, as well as in Canada and parts of Mexico. It has been suggested that native Poa grasses may be able to outcompete whitetop in North America.
African pepperwort · Waitakere Scurvy Grass · Waianae Range pepperwort · Lepidium aschersonii · Southern pepperwort · Coastal peppercress · Barneby's pepperweed · Field pepperweed · Creeping Watercress · Common pepperweed · Alkali pepperweed · Wartcress
Text excerpted from the Wikipedia article Lepidium draba by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
