Lepidium virginicumL.

Virginia pepperweed

WFO wfo-0000360833 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Lepidium virginicum, photographed by Daniel Cahen
fig. a Daniel Cahen, CC BY 4.0 / 2022-06-12 / obs. 205547209
Lepidium virginicum, photographed by Tom and T Herman
fig. b Tom and T Herman, CC BY 4.0 / obs. 195250641
Lepidium virginicum, photographed by Kevin Faccenda
fig. c Kevin Faccenda, CC BY 4.0 / obs. 199038564
Lepidium virginicum, photographed by Emily Summerbell
fig. d Emily Summerbell, CC BY 4.0 / obs. 202624652
Lepidium virginicum, photographed by Jay Pruett
fig. e Jay Pruett, CC BY 4.0 / obs. 193725397
Lepidium virginicum, photographed by Josiah Londerée
fig. f Josiah Londerée, CC BY 4.0 / obs. 193390299
Lepidium virginicum, photographed by Leila Dasher
fig. g Leila Dasher, CC BY 4.0 / obs. 203846038
Lepidium virginicum, photographed by lejones417
fig. h lejones417, CC BY-SA 4.0 / obs. 199198911

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Flowering n = 1,406 observations

Peak flowering in May, from 1,406 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 49 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Clypeola caroliniana Walter
  • Conocardamum virginicum (L.) Webb
  • Crucifera virginica (L.) E.H.L.Krause
  • Cynocardamum menziesii Endl. ex Heynh.
  • Cynocardamum virginicum Webb & Berthel.
  • Dileptium diffusum Raf.
  • Dileptium precox Raf.
  • Dileptium virginicum (L.) Raf.
  • Discovium gracile Raf.
  • Discovium ohiotense DC.
  • Iberis virginica (L.) Fisch. & C.A.Mey.
  • Lepidium arcuatum DC.
  • Lepidium bernardinum Abrams
  • Lepidium californicum Nutt. ex Torr. & A.Gray
  • Lepidium danielsii C.L.Hitchc.
  • Lepidium diandrum Medik.
  • Lepidium exiguiflorum [Clairv.]
  • Lepidium glaucum Greene
  • Lepidium hirsutum Rydb.
  • Lepidium idahoense A.Heller
  • Lepidium intermedium A.Gray
  • Lepidium intermedium var. pubescens Greene
  • Lepidium majus Darracq
  • Lepidium medium Greene

and 25 more.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.

We publish what we can source and we say so when we cannot. This page has no care advice, no toxicity claim and no native range, because we do not yet have those from a source we can cite.