The genus is now Hesperocyparis, but back in the olden days I learned the rough bark Arizona cypress of southeastern Arizona as Cupressus arizonica...
I grew up in Kentucky where the state flower is goldenrod. The particular species that has that honor is Solidago gigantea. I wonder how...
Unless you are a botanist and are comfortable keying out plants in a flora, the only way for the rest of us to identify...