Photos / Sounds

What

cobwebby thistle Cirsium occidentale

Observer

danielgeorge

Date

March 29, 2015 04:43 PM PDT

Photos / Sounds

What

cobwebby thistle Cirsium occidentale

Observer

finatic

Date

March 14, 2015 11:10 AM PDT

Description

San Diego County, California, US

Photos / Sounds

Observer

kevinhintsa

Date

March 22, 2015 02:43 PM PDT

Description

In the burn zone of the autumn 2013 Morgan Fire . This looks like a possible cross of venustum and californicum varieties .

Photos / Sounds

What

venus thistle Cirsium occidentale var. venustum

Observer

rappman

Date

March 23, 2015 11:54 AM PDT

Photos / Sounds

16876158491 1b251c4037 s

What

cobwebby thistle Cirsium occidentale

Observer

jaykeller

Date

March 14, 2015 11:17 AM PDT

Photos / Sounds

16689768180 beaa9076ae s

What

cobwebby thistle Cirsium occidentale

Observer

jaykeller

Date

March 14, 2015 11:09 AM PDT

Photos / Sounds

What

Cobwebby Thistle Cirsium occidentale

Observer

jmaughn

Date

March 13, 2015

Place

(Somewhere...)

Photos / Sounds

Square

What

coulter's thistle Cirsium occidentale var. coulteri

Observer

robberfly

Date

March 4, 2015 01:41 PM PST

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

jsifuenteswinter

Date

February 23, 2015 09:35 AM PST

Description

Cobwebby thistle?

Photos / Sounds

No photos or sounds

Observer

ghdayton

Date

the past

Place

(Somewhere...)

Photos / Sounds

Square

What

venus thistle Cirsium occidentale var. venustum

Observer

kevinhintsa

Date

July 15, 2011 02:20 PM PDT

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

loarie

Date

February 1, 2015 01:15 PM PST

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

robberfly

Date

January 25, 2015 11:32 AM PST

Description

Earliest one I've ever seen in bloom...

Photos / Sounds

Square

Date

June 14, 2014

Description

Observers: K. Dick, C. Casey, P. Suri, S. Simono

Notes: Opening in marginal bay/oak woodland.

Phenology: flowering, mature

Photos / Sounds

P5100091

What

cobwebby thistle Cirsium occidentale

Observer

justin2

Date

May 10, 2003 08:04 AM PDT

Description

Thistle (cobwebby?)

Photos / Sounds

What

California thistle Cirsium occidentale var. californicum

Observer

jon_sullivan

Date

July 20, 2014 05:44 AM PDT

Description

There were lots of ants on these thistle flowers.

Photos / Sounds

Square

What

California thistle Cirsium occidentale var. californicum

Observer

jni013

Date

September 10, 2014

Description

Purple flowers (thistles) growing out of green plant, green thistles also grew out, dry soil
Warm weather, little cloud coverage

Photos / Sounds

Square

What

snowy thistle Cirsium occidentale var. candidissimum

Observer

joelferree

Date

May 7, 2012 04:01 PM PDT

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

parobbert

Date

August 11, 2014

Photos / Sounds

Observer

mcduck

Date

June 11, 2012

Description

Blue Oak/Sagebrush habitat.

Photos / Sounds

What

cobwebby thistle Cirsium occidentale

Observer

greenrosettas

Date

August 2, 2014

Photos / Sounds

What

cobwebby thistle Cirsium occidentale

Observer

greenrosettas

Date

August 2, 2014

Description

This is one of my favorite flowers to encounter.

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

davidlowry

Date

August 6, 2014 09:08 AM PDT

Photos / Sounds

No photos or sounds

What

cobwebby thistle Cirsium occidentale

Observer

davidlowry

Date

August 6, 2014 09:08 AM PDT

Photos / Sounds

No photos or sounds

What

cobwebby thistle Cirsium occidentale

Observer

davidlowry

Date

August 6, 2014 09:08 AM PDT

Photos / Sounds

Observer

kowen2000

Date

June 24, 2006

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

davidlowry

Date

July 25, 2014 12:14 PM PDT

Photos / Sounds

What

cobwebby thistle Cirsium occidentale

Date

July 22, 2014 10:16 AM PDT

Description

Red flowers with white-gray stems, 3 feet tall, found in mixed evergreen woodland

Photos / Sounds

Square

What

cobwebby thistle Cirsium occidentale

Observer

sonjabraden

Date

July 9, 2014

Description

Located in grassland on hillside. about 1.5 feet tall. 8 flowers present, 2 dead. Dry soil and direct sunlight. About 3 others present in area farther down hill.

Photos / Sounds

Square

Observer

abr

Date

June 28, 2014 05:06 AM PDT

Place

Yreka, CA (Google, OSM)