Taxon Details

Cardamine angulata

seaside bittercress

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Photo of Cardamine angulata
© 2021 Scot Loring
Photo of Cardamine angulata
©2021 Scot Loring
Photo of Cardamine angulata
©2015 Dana York

Taxon Summary:

Cardamine angulata, commonly known as seaside bittercress, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, and North Coast coniferous forest, growing at elevations from 15 to 915 meters. Cardamine angulata is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Lifeform: perennial herb
Blooming Period: (Jan)Mar-Jul
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Elevation:
15 - 915 meters
50 - 3000 feet
General Habitats:
  • Lower montane coniferous forest
  • North Coast coniferous forest
Microhabitat Details: wet areas
Microhabitat:
  • Streambanks
Notes:
Many occurrences are historical; need field surveys. Possibly threatened by foot traffic, and road maintenance. See Flora Boreali-Americana 1(1):44-45 (1829) for original description.
Threats:
Taxonomy:
Threat List Total: 7
Total EOs % of EOs
EOs with Threat Listed: 24 63 %
THREAT LIST:
Logging 15 39%
Road/trail construction/maint. 7 18%
Erosion/runoff 3 7%
Foot traffic/trampling 3 7%
Altered flood/tidal/hydrologic regime 2 5%
Total Occurrences: 38
Element Occurrence Ranks:
A B C D X U
7 15 5 2 0 9
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 34
Presence:
Presumed Extant 38
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)
Del Norte (DNT), Humboldt (HUM), Marin (MRN), Mendocino (MEN)
Quads: Name (Quad Code)
Ah Pah Ridge (4112348), Arcata South (4012471), Bolinas (3712286), Childs Hill (4112461), Fern Canyon (4112441), Hales Grove (3912377), High Divide (4112481), Hiouchi (4112471), Holter Ridge (4112338), McWhinney Creek (4012461), Orick (4112431), Requa (4112451), Rodgers Peak (4112421), San Geronimo (3812216), Sister Rocks (4112462)
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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