Calflora Taxon Report
Cirsium scariosum Nutt.
Dwarf thistle, Elk thistle
Cirsium scariosum is a perennial herb that is native to California, and also found elsewhere in North America and beyond.

Alternate Names and Sources:
Carduus americanusPLANTS
Carduus coloradensisPLANTS
Cirsium XerosumPLANTS
Cirsium acaule var. americanumPLANTS
Cirsium acaulescensPLANTS
Cirsium americanumPLANTS
Cirsium butleriPLANTS
Cirsium coloradense ssp. acaulescensPLANTS
Cirsium coloradense ssp. longissimumPLANTS
Cirsium coloradensePLANTS
Cirsium congdoniiPLANTS
Cirsium drummondii ssp. lanatumPLANTS
Cirsium drummondii ssp. latisquamumPLANTS
Cirsium drummondii ssp. vexansPLANTS
Cirsium drummondii var. acaulescensPLANTS
Cirsium drummondii var. oregonensePLANTS
Cirsium drummondiiOTHER
Cirsium erosumPLANTS
Cirsium foliosumOTHER
Cirsium kelseyiPLANTS
Cirsium lacerumPLANTS
Cirsium magnificumPLANTS
Cirsium minganensePLANTS
Cirsium oreophilumPLANTS
Cirsium quercetorum var. citrinumPLANTS
Cirsium scariosum var. thorneaePLANTS
Cirsium tioganum var. coloradensePLANTS
Cirsium tioganum var. tioganumPLANTS
Cirsium tioganumPLANTS
Cnicus drummondii var. acaulescensPLANTS
Cnicus tioganusPLANTS
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.


Accepted by: JEPS + PLANTS + POWO
Jepson eFlora section:
eudicot
USDA PLANTS group:
Dicot

Equally likely to occur in wetlands and non wetlands
Sagebrush Scrub, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Southern Oak Woodland

[Wikipedia] Plant Form: It takes three main forms, a stemless, flat rosette with a cluster of flower heads in the centre, a mounding form with a short, erect stem, or a fully erect form reaching up to 200 cm (79 in) in height. When there is a stem it is usually fleshy, ridged, and woolly in texture. (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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