Well, I was a little worried, but I was pretty close on the number of Penstemon species in Arizona. There are close to forty....
When I was a boy vultures were called buzzards. It’s an interesting common name that came across the ocean with early British colonists who...
I like this paragraph from The Vascular Plants of the Gila Wilderness: “Psacalium decompositum is a distinctive plant that apparently reaches its most northern...