Species Details

Lathyrus japonicus

seaside pea

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Photo of Lathyrus japonicus
©2021 Scot Loring
Photo of Lathyrus japonicus
© 2021 Scot Loring
Photo of Lathyrus japonicus
©2017 Steve Matson
CA Rare Plant Rank: 2B.1
Fed List: None
State List: None
Global Rank: G5
State Rank:
S2
Other Status: IUCN_LC
CRPR Changes:
changed from 2.1 to 2B.1 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2021-07-14
Lifeform: perennial rhizomatous herb
Blooming Period: May-Aug
JFMAMJJASOND
Elevation:
1 - 30 meters
5 - 100 feet
General Habitats:
  • Coastal dunes
Microhabitat Details:
Microhabitat:
Notes:
Threatened by non-native plants and vehicles, and possibly threatened by trail maintenance and foot traffic.
Threats:
Taxonomy:
Threat List Total: 9
Total EOs % of EOs
EOs with Threat Listed: 13 54 %
THREAT LIST:
Foot traffic/trampling 8 33%
Non-native plant impacts 6 25%
ORV activity 5 20%
Other 5 20%
Recreational use (non-ORV) 5 20%
Total Occurrences: 24
Element Occurrence Ranks:
A B C D X U
1 5 4 3 0 11
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 17
Presence:
Presumed Extant 24
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Connecticut (CT), Illinois (IL), Indiana (IN), Maine (ME), Massachusetts (MA), Michigan (MI), Minnesota (MN), New Hampshire (NH), New Jersey (NJ), New York (NY), North Carolina (NC), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South America (SA), Vermont (VT), Washington (WA), Wisconsin (WI)
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM)
Quads: Name (Quad Code)
Arcata North (4012481), Arcata South (4012471), Crannell (4112411), Crescent City (4112472), Eureka (4012472), Fern Canyon (4112441), Orick (4112431), Rodgers Peak (4112421), Sister Rocks (4112462), Smith River (4112482)
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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