Species Details

Trifolium siskiyouense

Siskiyou clover

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Scientific Name:
Trifolium siskiyouense J. Gillett
Common Name:
Siskiyou clover
Family: Fabaceae
Element Code: PDFAB402S0
USDA Plants Symbol: TRSI4
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: GH
State Rank:
SH
Other Status:
CRPR Changes:
changed from 3.2 to 1B.1 on 2014-11-21
changed from 3 to 3.2 on 2007-02-02
added to 3 on 2007-02-02
Add Date: 2007-02-02
Date Edited: 2021-05-26
Lifeform: perennial herb
Blooming Period: Jun-Jul
Elevation:
880 - 1500 meters
2885 - 4920 feet
General Habitat:
  • Meadows and seeps (mesic)
General Micro Habitat: sometimes streambanks
Micro Habitat:
Notes:
Previously CRPR 3.2; rarity and endangerment information was needed. Move to CRPR 1A? Has not been documented since 1935 in CA and 1926 in OR; needs field surveys. Threatened by grazing (or lack thereof) and habitat conversion. Similar to T. wormskioldii. Not in TJM (1993). See Canadian Journal of Botany 58(13):1441-1442 (1980) for original description.
Threats:
Taxonomy:
Other:
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 4
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 0
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
City of Mount Shasta (4112233), Greenview (4112258), Hawkinsville (4112275), Montague (4112265), Montgomery Creek (4012178)
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