Calflora: Cirsium scariosum

Cirsium scariosum Nutt.

Dwarf Thistle, elk thistle

Cirsium scariosum, a dicot, is a perennial herb that is native to California and is also found elsewhere in North America and beyond.

Communities:	Sagebrush Scrub, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Southern Oak Woodland
Elevation:	between 0 and 11000 feet
Family:	ASTERACEAE
Related:	See a list of other species in the genus Cirsium found in California.
	This is a parent record; distribution data is an aggregate of data for subspecies and varieties: Cirsium scariosum var. americanum Cirsium scariosum var. citrinum Cirsium scariosum var. congdonii Cirsium scariosum var. loncholepis Cirsium scariosum var. robustum Cirsium scariosum var. scariosum

Accepted by TJM2 + PLANTS + JM93

Other Names:
(according to)

PLANTS:	Carduus americanus
PLANTS:	Cirsium erosum
PLANTS:	Cirsium kelseyi
PLANTS:	Cirsium lacerum
PLANTS:	Cirsium magnificum
PLANTS:	Cirsium minganense
PLANTS:	Cirsium oreophilum
PLANTS:	Cirsium quercetorum var. citrinum
PLANTS:	Cirsium scariosum var. scariosum
PLANTS:	Cirsium scariosum var. thorneae
PLANTS:	Cirsium tioganum var. coloradense
PLANTS:	Cirsium tioganum var. tioganum
PLANTS:	Cirsium tioganum
PLANTS:	Cnicus drummondii var. acaulescens
PLANTS:	Cnicus tioganus
PLANTS:	Cirsium drummondii var. oregonense
PLANTS:	Cirsium drummondii var. acaulescens
PLANTS:	Carduus coloradensis
PLANTS:	Cirsium ×erosum
PLANTS:	Cirsium acaule var. americanum
PLANTS:	Cirsium acaulescens
PLANTS:	Cirsium americanum
PLANTS:	Cirsium butleri
PLANTS:	Cirsium coloradense ssp. acaulescens
PLANTS:	Cirsium coloradense ssp. longissimum
PLANTS:	Cirsium coloradense
PLANTS:	Cirsium congdonii
PLANTS:	Cirsium drummondii ssp. lanatum
PLANTS:	Cirsium drummondii ssp. latisquamum
PLANTS:	Cirsium drummondii ssp. vexans
XWALK:	Cirsium foliosum
XWALK:	Cirsium drummondii

Bloom Period

Add an
Observation

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.

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

Information about Cirsium scariosum from other sources:

Photos on Picasa / Flickr / Google Images
website references on Google
USDA PLANTS Profile (CISC2)
Nursery availability and horticultural info (what grows with this plant?) on CNPLX
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