Description: Penstemon davdisonii, Mount Thielsen, north of Crater Lake in the southern Cascade Mountains, 43.151 -122.072, Douglas County, Oregon, 26 Jul 2008. Date: 26 July 2008, 11:49. Source: Penstemon davidsonii. Author: Patrick Alexander from Las Cruces, NM.
Description: Penstemon davidsonii, trail up Mount Thielsen, 26 Jul 2008. Date: 26 July 2008, 11:50. Source: Penstemon davidsonii. Author: Patrick Alexander from Las Cruces, NM.
Description: Penstemon davidsonii, Mount Rose, Carson Range, 39.344 -119.919, Washoe County, Nevada, 21 Jul 2008. Date: 21 July 2008, 15:09. Source: Penstemon davidsonii. Author: Patrick Alexander from Las Cruces, NM.
Description: Penstemon davidsonii, trail up Mount Thielsen, 26 Jul 2008. Date: 26 July 2008, 11:50. Source: Penstemon davidsonii. Author: Patrick Alexander from Las Cruces, NM.
Description: Penstemon davidsonii, trail up Mount Thielsen, 26 Jul 2008. Date: 26 July 2008, 11:45. Source: Penstemon davidsonii. Author: Patrick Alexander from Las Cruces, NM.
Description: Penstemon davidsonii, Mount Rose, Carson Range, 39.344 -119.919, Washoe County, Nevada, 21 Jul 2008. Date: 21 July 2008, 15:07. Source: Penstemon davidsonii. Author: Patrick Alexander from Las Cruces, NM.