Species Details

Lepidium virginicum var. robinsonii

Robinson's pepper-grass

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Photo of Lepidium virginicum var. robinsonii
© 2015 Keir Morse
Photo of Lepidium virginicum var. robinsonii
© 2015 Keir Morse
Photo of Lepidium virginicum var. robinsonii
© 2015 Keir Morse
Scientific Name:
Lepidium virginicum L. var. robinsonii (Thell.) Hitchc.
Common Name:
Robinson's pepper-grass
Family: Brassicaceae
Element Code: PDBRA1M114
USDA Plants Symbol: LEVIR
Synonyms/Other Names:
CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G5T3
State Rank:
S3
Other Status:
CRPR Changes:
changed from 1B.2 to 4.3 on 2013-06-24
Add Date: 1994-01-01
Date Edited: 2022-01-05
Lifeform: annual herb
Blooming Period: Jan-Jul
JFMAMJJASOND
Elevation:
1 - 885 meters
5 - 2905 feet
General Habitats:
  • Chaparral
  • Coastal scrub
Microhabitat Details:
Microhabitat:
Notes:
Previously CRPR 1B.2; more common than originally known. Threatened by development. Possibly threatened by non-native plants. A synonym of L. virginicum ssp. menziesii in TJM 2. See Mitteilungen aus dem Botanischen Museum der Universität Zürich 28:255-256 (1906) for original description and Madroño 3(7):265-320 (1936) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 8 6 %
THREAT LIST:
Non-native plant impacts 3 2%
Road/trail construction/maint. 2 1%
Development 2 1%
Foot traffic/trampling 2 1%
Grazing 1 0%
Total Occurrences: 142
Element Occurrence Ranks:
A B C D X U
1 6 5 1 1 128
Occurrence Status:
Historical >20 Years 100
Recent <=20 Years 42
Presence:
Presumed Extant 141
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Mono (MNO), Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Aguanga (3311647), Alberhill (3311764), Alpine (3211677), Azusa (3411728), Bachelor Mtn. (3311751), Barrett Lake (3211666), Beauty Mountain (3311646), Black Star Canyon (3311776), Bucksnort Mtn. (3311645), Butterfly Peak (3311655), Campo (3211654), Corona North (3311785), Corona South (3311775), Del Mar (3211782), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), El Casco (3311781), El Toro (3311766), Encinitas (3311713), Escondido (3311711), Fallbrook (3311743), Fontana (3411714), Glendora (3411727), Hemet (3311668), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), Lake Elsinore (3311763), Lake Mathews (3311774), Las Pulgas Canyon (3311734), Lompoc (3412064), Los Angeles (3411812), Margarita Peak (3311744), Morena Reservoir (3211665), Morro Hill (3311733), Mount Dana (3711982), Mt. Baldy (3411726), Mt. Wilson (3411821), Murrieta (3311752), National City (3211761), Newbury Park (3411828), Ojai (3411942), Ontario (3411716), Otay Mesa (3211658), Otay Mountain (3211657), Pala (3311731), Pechanga (3311741), Point Loma (3211762), Poway (3211781), Prado Dam (3311786), Rancho Santa Fe (3311712), Redlands (3411712), Riverside East (3311783), Riverside West (3311784), Rodriquez Mtn. (3311628), Romoland (3311762), Sage (3311658), San Bernardino South (3411713), San Clemente (3311745), San Clemente Island North (3211885), San Clemente Island South (3211873), San Dimas (3411717), San Fernando (3411834), San Luis Rey (3311723), San Marcos (3311722), San Nicolas Island (3311924), San Onofre Bluff (3311735), San Pasqual (3311618), San Vicente Reservoir (3211688), Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santiago Peak (3311765), Sitton Peak (3311754), Steele Peak (3311773), Sunland (3411833), Sunnymead (3311782), Surf (3412065), Tecate (3211656), Temecula (3311742), Tustin (3311767), Vail Lake (3311648), Valley Center (3311721), Viejas Mountain (3211676), Winchester (3311761), Yorba Linda (3311787), Yucaipa (3411711)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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