Species Details

Iris hartwegii ssp. columbiana

Tuolumne iris

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Scientific Name:
Iris hartwegii Baker ssp. columbiana Lenz
Common Name:
Tuolumne iris
Family: Iridaceae
Element Code: PMIRI090D2
USDA Plants Symbol: IRHAC
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: May-Jun
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Elevation:
425 - 1400 meters
1395 - 4595 feet
General Habitats:
  • Cismontane woodland
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
Notes:
Possibly threatened by logging. See Aliso 4(1):37 (1958) for original description.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 3 100 %
THREAT LIST:
Road/trail construction/maint. 2 66%
ORV activity 1 33%
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
0 1 1 0 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 2
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Tuolumne (TUO)
Quads: Name (Quad Code)
Columbia Se (3812013)
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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