Photos

Square

What

Heermann's tarweed Holocarpha heermannii

Observer

robberfly

Date

May 19, 2013 04:40 PM PDT

Place

Mount Diablo State Park, Clayton, California, US (Google, OSM)

Photos

Square

What

Heermann's tarweed (Holocarpha heermannii)

Observer

kueda

Date

Aug 15, 2012 05:08 PM PDT

Place

Mount Diablo State Park, Clayton, California, US (Google, OSM)

Photos

Square

What

yellowflower tarweed Holocarpha virgata

Observer

kueda

Date

Sep 25, 2011 05:19 PM PDT

Place

Briones Regional Park, Contra Costa County, CA, USA (Google, OSM)

Photos

6142984344_d7c493bdee_s

What

yellowflower tarweed Holocarpha virgata

Observer

antonyw

Date

Sep 11, 2011

Place

henry coe state park (Google, OSM)

Photos

6027588504_fda1a2db66_s 2 photos

What

Heermann's tarweed Holocarpha heermannii

Observer

folini

Date

Aug 6, 2011

Place

Mount Diablo State Park, Clayton, CA (Google, OSM)

Photos

Square

What

Holocarpha heermannii

Observer

kueda

Date

Jul 10, 2011 05:09 PM PDT

Place

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

Description

Ubiquitous, but this was the first one I saw in flower. Actually smells pretty good.

Photos

5913716553_93a69e49b9_s

What

Genus Holocarpha

Observer

bbunny

Date

Jul 2, 2011 01:33 PM PDT

Place

Walong, California, United States (Google, OSM)

Description

not sure if this is a tarweed or not...

Photos

4850035339_d2f6c7573f_s 2 photos

What

Holocarpha heermannii

Observer

kueda

Date

Jul 31, 2010 10:35 AM PDT

Place

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

Description

Holocarpha heermannii. Glad I stopped to take a pic of this ubiquitous aster.