Tuctoria mucronata

Download Report Calflora eFlora CCH CalPhotos

Scientific Name: Tuctoria mucronata (Crampt.) J. Reeder
Common Name: Crampton's tuctoria or Solano grass
Family:	Poaceae
Element Code:	PMPOA6N020
USDA Plants Symbol:	TUMU
Synonyms/Other Names: Orcuttia mucronata Crampton

Lifeform: annual herb

Blooming Period: Apr-Aug

Elevation:
5 - 10 meters
15 - 35 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: Known from only three occurrences: one at Olcott Lake at Jepson Prairie Preserve, one nearby on private land, and one south of Davis on DOD land. Only four plants found at Jepson Prairie in 1993, and none in 1994-1996, 1998, 2000 and later; site presumed extirpated in 2005. Threatened by non-native plants. See Madroño 15(4):106-108 (1959) for original description, and American Journal of Botany 69:1082-1095 (1982) for revised taxonomy.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	7
	Total EOs	% of EOs
EOs with Threat Listed:	4	100 %
Non-native plant impacts	2	50%
Other	2	50%
Grazing	2	50%
Insufficient population/stand size	1	25%
Altered flood/tidal/hydrologic regime	1	25%
Over-collecting/poaching	1	25%
Recreational use (non-ORV)	1	25%

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	4

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Solano (SOL), Yolo (YOL)

Quads: Name (Quad Code)
Dozier (3812137), Saxon (3812146)

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

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

CNPS Rare Plant Inventory