Brodiaea matsonii

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Scientific Name: Brodiaea matsonii R.E. Preston
Common Name: Sulphur Creek brodiaea
Family:	Themidaceae
Element Code:	PMLIL0C0H0
USDA Plants Symbol:	BRMA7
Synonyms/Other Names:

Lifeform: perennial bulbiferous herb

Blooming Period: May-Jun

Elevation:
195 - 220 meters
640 - 720 feet

General Habitats:

Microhabitat Details: metamorphic amphibolite schist

Microhabitat:

Notes: Known from fewer than five occurrences in the vicinity of Sulphur Creek. Potentially threatened by powerline maintenance, foot traffic, and horticultural collecting. Possibly threatened by development and non-native plants. Similar to B. minor, B. nana, and B. pallida. Not in The Jepson Manual (1993) and TJM 2. See Madroño 57(4):261-267 (2010) for original description.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	2	100 %
Other	2	100%
Development	2	100%
Foot traffic/trampling	1	50%
Non-native plant impacts	1	50%
Altered flood/tidal/hydrologic regime	1	50%
Over-collecting/poaching	1	50%
Surface water diversion	1	50%
Vandalism/dumping/litter	1	50%
Wood cutting or brush clearing	1	50%

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	2

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Shasta (SHA)

Quads: Name (Quad Code)
Redding (4012254)

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

Presumed Extant

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CNPS Status Review:

Proposed Addition to CRPR 1B.1, G1 / S1 (2011)