I arrived in Tucson, Arizona in the fall of 1967 to attend the U of A. Up to that point I had been born...
The specific epithet ligusticifolia for this Clematis means that the plant has leaves like Ligusticum or lovage. I used the name Levisticum for lovage...
I like this paragraph from The Vascular Plants of the Gila Wilderness: “Psacalium decompositum is a distinctive plant that apparently reaches its most northern...