Sulphur Penstemon

Description: English: Penstemon attenuatus, Clearwater National Forest, USA. Source: http://www.fs.fed.us/r1/clearwater/LewisClark/lewis_clark_plants/LC_photos/forb_blue/pensatt2.htm at http://www.fs.fed.us/r1/clearwater/LewisClark/lewis_clark_plants/lcindex.htm. Author: Unknown authorUnknown author. Permission(Reusing this file): Public domainPublic domainfalsefalse. : This image is a work of the Forest Service of the United States Department of Agriculture. As a work of the U.S. federal government, the image is in the public domain. :.

Description: Sulphur penstemon (Penstemon attenuatus var. attenuatus), Plantain family (Plantaginaceae). Planted in my front yard, Cottonwood Heights City, Utah. Date: 17 November 2016, 10:29. Source: 2016.11.17_10.29.06_IMG_8006. Author: Andrey Zharkikh from Salt Lake City, USA.

Description: Sulphur penstemon (Penstemon attenuatus), Plantain family (Plantaginaceae). My front yard, Cottonwood Heights, Utah. Date: 28 September 2014, 16:41. Source: 2014.09.28_16.41.17_IMG_0880. Author: Andrey Zharkikh from Salt Lake City, USA.