Plant Search Results
  
Showing records 1 - 50 out of  54 matching records.
Searching for: genus: Cirsium
Click on the Scientific Name to see a Taxon Report.
Scientific Name Common NamePhoto Nativity Lifeform

Cirsium andersonii

rose thistle, Anderson's thistle
2006 Matt Below (CalPhotos)
native Perennial herb

Cirsium andrewsii

Franciscan thistle
2011 Thomas Reyes (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium arizonicum

Arizona thistle
2007 Steven Thorsted (CalPhotos)
native Perennial herb

Cirsium arizonicum var. arizonicum

Arizona thistle
2012 Dylan Neubauer (CalPhotos)
native Perennial herb

Cirsium arizonicum var. tenuisectum

desert mountain thistle
2009 James M. Andre (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium arvense

Canada thistle
2008 Keir Morse (CalPhotos)
not native INVASIVE WEED Perennial herb

Cirsium brevistylum

clustered thistle, Indian thistle
2007 Neal Kramer (CalPhotos)
native Perennial herb

Cirsium canescens

Prairie thistle
2010 Lee Dittmann (CalPhotos)
not native Perennial herb

Cirsium ciliolatum

Ashland thistle No photo available. native
RARE SPECIES
Perennial herb

Cirsium crassicaule

slough thistle No photo available. native
RARE SPECIES
Annual, Perennial herb

Cirsium cymosum

peregrine thistle
2009 Keir Morse (CalPhotos)
native Perennial herb

Cirsium cymosum var. canovirens

Gray-green thistle
2005 Steve Tyron (CalPhotos)
native Perennial herb

Cirsium cymosum var. cymosum

Peregrine thistle
2013 Aaron Arthur (CalPhotos)
native Perennial herb

Cirsium douglasii

Douglas' thistle, swamp thistle
2011 Aaron Arthur (CalPhotos)
native Perennial herb

Cirsium douglasii var. breweri

Douglas' thistle, Brewer's swamp thistle
2010 John Dittes (CalPhotos)
native Perennial herb

Cirsium douglasii var. douglasii

Douglas' thistle, Douglas' swamp thistle
2006 Matt Below (CalPhotos)
native Perennial herb

Cirsium fontinale

fountain thistle
J. E.(Jed) and Bonnie McClellan 1999 California Academy of Sciences (CalPhotos)
native Perennial herb

Cirsium fontinale var. campylon

Mt Hamilton thistle, Mt. Hamilton thistle
2007 Neal Kramer (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium fontinale var. fontinale

fountain thistle
2007 Toni Corelli (CalPhotos)
native
ENDANGERED SPECIES
Perennial herb

Cirsium fontinale var. obispoense

Chorro Creek Bog thistle
1984 California Native Plant Society (CalPhotos)
native
ENDANGERED SPECIES
Perennial herb

Cirsium hydrophilum

Suisun thistle No photo available. native Perennial herb

Cirsium hydrophilum var. hydrophilum

Suisun thistle
2010 Doug Wirtz (CalPhotos)
native
ENDANGERED SPECIES
Perennial herb

Cirsium hydrophilum var. vaseyi

Vasey's thistle, Mt. Tamalpais thistle
1999 John Game (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium inamoenum

Greene's thistle
2013 Barry Breckling (CalPhotos)
native Perennial herb

Cirsium inamoenum var. inamoenum

Greene's thistle
2005 Steve Tyron (CalPhotos)
native Perennial herb

Cirsium mohavense

Mojave thistle, Mohave Thistle
2007 Trent M. Draper (CalPhotos)
native Perennial herb

Cirsium neomexicanum

New Mexico thistle, desert thistle
2004 James M. Andre (CalPhotos)
native Perennial herb

Cirsium occidentale

western thistle, Cobweb Thistle
2006 Chris Wagner, SBNF (CalPhotos)
native Perennial herb

Cirsium occidentale var. californicum

cobwebby thistle, California thistle, Bigelow Thistle
2007 Matt Below (CalPhotos)
native Perennial herb

Cirsium occidentale var. candidissimum

snowy thistle
2002 Gary A. Monroe (CalPhotos)
native Perennial herb

Cirsium occidentale var. compactum

compact cobwebby thistle
2005 Laura Ann Eliassen (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium occidentale var. coulteri

Coulter's thistle No photo available. native Perennial herb

Cirsium occidentale var. lucianum

Cuesta Ridge thistle
2009 Zachary Green (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium occidentale var. occidentale

cobwebby thistle, Cobweb Thistle
2011 Dylan Neubauer (CalPhotos)
native Perennial herb

Cirsium occidentale var. venustum

cobwebby thistle, Venus thistle, red thistle, coulter's thistle
2004 David A. Tharp (CalPhotos)
native Perennial herb

Cirsium ochrocentrum

yellow spined thistle, Beaumont thistle
2004 Robert Sivinski (CalPhotos)
not native WEED Perennial herb

Cirsium ochrocentrum var. ochrocentrum

Yellowspine thistle No photo available. not native Perennial herb

Cirsium praeteriens

Palo Alto thistle No photo available. native
PRESUMED EXTINCT
Perennial herb

Cirsium quercetorum

Alameda County thistle, brownie thistle
2007 Neal Kramer (CalPhotos)
native Annual, Perennial herb

Cirsium remotifolium

fewleaf thistle, few leaved thistle
2008 Keir Morse (CalPhotos)
native Perennial herb

Cirsium remotifolium var. odontolepis

Pacific fringed thistle No photo available. native Perennial herb

Cirsium remotifolium var. remotifolium

Remote-leaved thistle No photo available. native Perennial herb

Cirsium remotifolium var. rivulare

Klamath thistle No photo available. native Perennial herb

Cirsium rhothophilum

surf thistle
1984 California Native Plant Society (CalPhotos)
native
RARE SPECIES
Perennial herb

Cirsium scabrum

rough thistle No photo available. not native Perennial herb

Cirsium scariosum

elk thistle, Dwarf Thistle
2005 Christopher L. Christie (CalPhotos)
native Perennial herb

Cirsium scariosum var. americanum

Dinnerplate thistle
2013 Robert F Norris (CalPhotos)
native Perennial herb

Cirsium scariosum var. citrinum

Southern meadow thistle
2011 Chris Winchell (CalPhotos)
native Perennial herb

Cirsium scariosum var. congdonii

Elk thistle
1982 Dean Wm. Taylor (CalPhotos)
native Perennial herb

Cirsium scariosum var. loncholepis
JM93:  Cirsium loncholepis

La graciosa thistle
2011 Chris Winchell (CalPhotos)
native
ENDANGERED SPECIES
Perennial herb

    Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2014. Berkeley, California:
    The Calflora Database [a non-profit organization].
    Available: http://www.calflora.org/   (Accessed: Apr 23, 2014).

    The information on this page comes from diverse sources. None of the links are sponsored.

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