Bull Thistle or Scotch Thistle (Cirsium vulgare), Manila, Humboldt, California, August 2010.
AmericaCaliforniaEuropeFloraHumboldtInvasive SpeciesPlantThistleUSAWeedWildflowerCirsiumvulgare009Manila2010
![Beach Buckwheat (Eriogonum latifolium) at Mad River Beach, Humboldt, California, August 2010. [Eriogonum parvifolium 015 Arcata-CA_USA 2010-08]](https://photos.smugmug.com/Nature/American-Wildflowers/i-BBR4z6k/4/75e98d53/Ti/Eriogonum%20parvifolium%20015%20Arcata-CA_USA%202010-08-Ti.jpg)
![Round-headed Desert Buckwheat (Eriogonum sphaerocephalum) from SH97 in Oregon, July 2013. [Eriogonum sphaerocephalum 001 SH97-OR-USA 2012-07]](https://photos.smugmug.com/Nature/American-Wildflowers/i-vWJWWzQ/0/4809b8a2/Ti/Eriogonum%20sphaerocephalum%20001%20SH97-OR-USA%202012-07-Ti.jpg)
![California Buckwheat, also known as Eastern Mojave Buckwheat (Eriogonum fasciculatum) at San Diego Wild Animal Park, California, August 2011. [Eriogonum fasciculatum 010 SDSP-CA-USA 2011-08]](https://photos.smugmug.com/Nature/American-Wildflowers/i-3hHhHx3/0/f9f85bff/Ti/Eriogonum%20fasciculatum%20010%20SDSP-CA-USA%202011-08-Ti.jpg)
![Wild Buckwheat or Naked Buckwheat (Eriogonum nudum) at Bluff Creek near Hoopa, California, June 2012. [Eriogonum nudum 001 BluffCreek-CA-USA 2012-06]](https://photos.smugmug.com/Nature/American-Wildflowers/i-VLmGthH/0/53460f2e/Ti/Eriogonum%20nudum%20001%20BluffCreek-CA-USA%202012-06-Ti.jpg)
![Wild Buckwheat or Naked Buckwheat (Eriogonum nudum) at Bluff Creek near Hoopa, California, June 2012. [Eriogonum nudum 006 BluffCreek-CA-USA 2012-06]](https://photos.smugmug.com/Nature/American-Wildflowers/i-p2RLF7N/0/23b7630d/Ti/Eriogonum%20nudum%20006%20BluffCreek-CA-USA%202012-06-Ti.jpg)
![Yellowleaf Iris (Iris chrysophylla) from Green Springs Mountain Loop Trail in Oregon, near Ashland, May 2015. [Iris chrysophylla 001 Ashland-OR-USA 2015-05]](https://photos.smugmug.com/Nature/American-Wildflowers/i-2bhW5HJ/0/b720d7b4/Ti/Iris%20chrysophylla%20001%20Ashland-OR-USA%202015-05-Ti.jpg)
Log In: