Classification
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All Names

  • Scientific names
    • Cirsium occidentale
  • English
    • cobwebby thistle

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Recent observations

Photos

Square 3 photos

What

Cirsium occidentale var. occidentale

Observer

rogoet8581

Date

Apr 29, 2013 02:53 PM PDT

Place

Toro Regional Park, Salinas, California, US (Google, OSM)

Description

Found this cobweb thistle out in Toro Park, so pretty, but no touchee :)

Photos

8667161452_0cea1d708f_s

What

California thistle Cirsium occidentale var. californicum

Observer

lynnwatson

Date

Apr 19, 2013 12:24 PM PDT

Place

Sunset Valley Road, Santa Barbara County, CA (Google, OSM)

Photos

8666750913_39b4ea16ee_s 2 photos

What

cobwebby thistle Cirsium occidentale

Observer

kueda

Date

Apr 20, 2013 09:11 AM PDT

Place

Mount Diablo State Park, Contra Costa County, CA, USA (Google, OSM)

Photos

8666063009_c67f317580_s

What

California thistle Cirsium occidentale var. californicum

Observer

lynnwatson

Date

Apr 19, 2013 02:24 PM PDT

Place

Sunset Valley Road, Santa Barbara County, CA (Google, OSM)

Photos

8665972634_f82959439a_s

What

coulter's thistle Cirsium occidentale var. coulteri

Observer

james3

Date

Apr 19, 2013

Place

Pinnacles National Park, San Benito Co. CA (Google, OSM)

Photos

Square

What

Cirsium occidentale var. occidentale

Observer

jonathanwitkop

Date

the past

Place

Millard Canyon Altadena (Google, OSM)

Photos

Square

What

California thistle Cirsium occidentale var. californicum

Observer

jonathanwitkop

Date

Apr 8, 2013

Place

Millard Canyon Altadena (Google, OSM)

Photos

8650752782_71c63b6ab9_s

What

cobwebby thistle Cirsium occidentale var. occidentale

Observer

lynnwatson

Date

Apr 13, 2013 10:06 AM PDT

Place

La Purisima, Lompoc, CA (Google, OSM)

Photos

Square

What

venus thistle Cirsium occidentale var. venustum

Observer

mmjensen

Date

Apr 4, 2013 02:25 PM PDT

Place

3863–4859 Franz Valley Rd, Santa Rosa, California, US (Google, OSM)

Photos

Square

What

California Thistle ( Cirsium occidentale var. californicum )

Observer

robberfly

Date

Mar 25, 2013 11:54 AM PDT

Place

83–99 Malta Dr, San Francisco, California, US (Google, OSM)

Description

Native Thistle - probably original hosts for Painted Lady ( V. cardui ) and Mylitta Crescent ( P.mylitta )

Photos

3458302644_f38fef8bc3_s

What

cobwebby thistle Cirsium occidentale var. occidentale

Observer

lynnwatson

Date

Apr 16, 2009 11:19 AM PDT

Place

Montana de Oro, CA (Google, OSM)

Description

Cobwebby Thistle, Cirsium occidentale ssp occidentale, Sandspit, Montana de Oro.

View all observations