Calflora: Digitaria ischaemum

Digitaria ischaemum (Schreber) Muhlenb.

smooth crabgrass

Digitaria ischaemum, a monocot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Note: TJM2 bloom period: Sep--Nov

Communities:	introduced plant which is becoming naturalized, wetland-riparian
Wetlands:	Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Elevation:	between 0 and 984 feet
Family:	POACEAE
Related:	See a list of other species in the genus Digitaria found in California.

Name Status:

Accepted by TJM2 + PLANTS + JM93

Other Names:

PLANTS:	Digitaria ischaemum var. mississippiensis
PLANTS:	Panicum ischaemum
PLANTS:	Syntherisma ischaemum

Plant
Characteristics
+ Associated
Organisms

Bloom Period

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Observation Hotline
including observations with photos

Distribution by County:

See a detailed Distribution Grid of this plant in California.

A shaded county indicates that there are ocurrence records of this plant within the county.

Hover the mouse over the map to see county names. Click to view records from that county.

	There are specimen records from this county in an herbarium.
	There are documented records, vouchered or confirmed by an expert.
	There are reported records.
	There are reported records available indirectly (eg. in botanical literature).

Records by County, with approximate record counts in the form: TOTAL / CCH. Click county name to view records.

Alameda: 8 / 7 CCH Butte: 11 / 10 CCH Colusa: 1 / 1 CCH El Dorado: 1 / 1 CCH Glenn: 1 / 0 CCH Humboldt: 3 / 3 CCH Los Angeles: 14 / 13 CCH Madera: 1 / 1 CCH Merced: 4 / 4 CCH Monterey: 1 / 0 CCH Mariposa: 1 / 1 CCH Marin: 1 / 0 CCH Napa: 1 / 1 CCH Nevada: 2 / 1 CCH Orange: 1 / 1 CCH Placer: 6 / 3 CCH Plumas: 2 / 2 CCH Riverside: 6 / 6 CCH Sacramento: 4 / 3 CCH Santa Barbara: 6 / 5 CCH San Bernardino: 8 / 8 CCH Santa Clara: 5 / 5 CCH Santa Cruz: 1 / 1 CCH San Diego: 1 / 0 CCH San Francisco: 4 / 3 CCH Shasta: 1 / 0 CCH Siskiyou: 1 / 1 CCH San Joaquin: 1 / 1 CCH San Luis Obispo: 1 / 1 CCH Solano: 1 / 0 CCH Sonoma: 4 / 1 CCH Tehama: 1 / 1 CCH Tulare: 1 / 1 CCH Ventura: 5 / 5 CCH Yolo: 12 / 11 CCH

CCH: records provided by the participants of the Consortium of California Herbaria.

Information about Digitaria ischaemum from other sources:

Photos on Picasa / Flickr / Google Images
website references on Google
USDA PLANTS Profile (DIIS)
Nursery availability and horticultural info (what grows with this plant?) on CNPLX
UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)
2012 Jepson Manual Treament from the Jepson Herbarium,
University of California, Berkeley
Original Publication citation. on the International Plants Names Index
Search efloras.org (Flora of North America)
Search the Lady Bird Johnson Wildflower Center Native Plant Database