The streams and pools of the Swisshelm, Chiricahua, Mule, Pedregosa, Perilla and Peloncillo mountains are part of the Rio Yaqui Drainage. Those water courses...
There is only one species of Marah in Arizona, but there seven species in North America and all in are found in the west...
Arizona rainbow hedgehog cactus is Echinocereus rigidissimus. That name hasn’t changed, but the black throated gray warbler is now Setophaga nigrescens…no longer Dendroica. Jeez,...