Species Details

Boechera tiehmii

Tiehm's rockcress

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Scientific Name:
Boechera tiehmii (Rollins) Al-Shehbaz
Common Name:
Tiehm's rockcress
Family: Brassicaceae
Element Code: PDBRA06280
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Jul-Aug
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Elevation:
2970 - 3590 meters
9745 - 11780 feet
General Habitats:
  • Alpine boulder and rock field (granitic)
Microhabitat Details:
Microhabitat:
Notes:
Known in CA from approximately ten occurrences near Tioga Crest. On watch list in NV, where known from two occurrences. See Journal of the Arnold Arboretum 64:496 (1983) for original description.
Threats:
Taxonomy:
Threat List Total: 1
Total EOs % of EOs
EOs with Threat Listed: 2 22 %
THREAT LIST:
Road/trail construction/maint. 2 22%
Total Occurrences: 9
Element Occurrence Ranks:
A B C D X U
9 0 0 0 0 0
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 0
Presence:
Presumed Extant 9
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Mono (MNO)
Quads: Name (Quad Code)
Dunderberg Peak (3811913), Mount Dana (3711982), Tioga Pass (3711983)
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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