I was sort of right, but mainly wrong about poison ivy’s Latinized name. The species found in Arizona is Toxicodendron rydbergii, formerly Rhus radicans...
There are a dozen species of Melampodium and I wonder which one Linnaeus was looking at when he honored Melampus with the genus name....
One of the positive sides of isolating and staying very close to home during the pandemic is that we discovered new places and rediscovered...