Species Details

Spergularia canadensis var. occidentalis

western sand-spurrey

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Scientific Name:
Spergularia canadensis (Pers.) G. Don var. occidentalis R. Rossbach
Common Name:
western sand-spurrey
Family: Caryophyllaceae
Element Code: PDCAR0W032
USDA Plants Symbol: SPCAO
Synonyms/Other Names:
CA Rare Plant Rank: 2B.1
Fed List: None
State List: None
Global Rank: G5T4
State Rank:
S1
Other Status:
CRPR Changes:
changed from 2.1 to 2B.1 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: Jun-Aug
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Elevation:
0 - 3 meters
0 - 10 feet
General Habitats:
  • Marshes and swamps (coastal salt)
Microhabitat Details:
Microhabitat:
Notes:
Known in CA only from Humboldt Bay. Threatened by development. See Rhodora 42:116 (1940) for original description.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 2 50 %
THREAT LIST:
Development 1 25%
Foot traffic/trampling 1 25%
Non-native plant impacts 1 25%
ORV activity 1 25%
Recreational use (non-ORV) 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 1 0 0 3
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 1
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Oregon (OR), Washington (WA)
California Counties and Islands: Name (Code)
Humboldt (HUM)
Quads: Name (Quad Code)
Arcata South (4012471), Cannibal Island (4012463), Eureka (4012472), Fields Landing (4012462)
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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