Species Details

Boechera constancei

Constance's rockcress

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Scientific Name:
Boechera constancei (Rollins) Al-Shehbaz
Common Name:
Constance's rockcress
Family: Brassicaceae
Element Code: PDBRA06090
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: May-Jul
Elevation:
975 - 2025 meters
3200 - 6645 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Rocky
  • Serpentinite
Notes:
Threatened by road widening, logging, mining, and urbanization. Possibly threatened by vehicles. See Contributions from the Gray Herbarium 201:4-6 (1971) for original description.
Threats:
Taxonomy:
Other:
Total Occurrences: 59
Element Occurrence Ranks:
A B C D X U
4 20 3 1 0 31
Occurrence Status:
Historical >20 Years 28
Recent <=20 Years 31
Presence:
Presumed Extant 59
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Plumas (PLU), Sierra (SIE)
Quads: Name (Quad Code)
Belden (4012113), Bucks Lake (3912182), Canyondam (4012121), Caribou (4012112), Crescent Mills (4012018), Greenville (4012028), La Porte (3912068), Meadow Valley (3912181), Onion Valley (3912078), Quincy (3912088), Spring Garden (3912087), Twain (4012111)
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.

Map

Presumed Extant
Counties   Quads