Species Details

Trifolium siskiyouense

Siskiyou clover

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Classification

Scientific Name: Trifolium siskiyouense J. Gillett
Common Name: Siskiyou clover
Family:	Fabaceae
Element Code:	PDFAB402S0
USDA Plants Symbol:	TRSI4
Synonyms/Other Names:

Conservation Status

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:	2022-06-08

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Jul

Elevation:
880 - 1500 meters
2885 - 4920 feet

General Habitats:

Meadows and seeps (mesic)

Microhabitat Details:

Microhabitat:

Streambanks (sometimes)

Notes

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:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%
No threats

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
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

Location

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:	CRPR List Addition on 2007-02-02
CNPS Status Review:	CRPR List Change on 2014-11-21