I forgot to say that the genus Crotalus comes from the Greek krotalon or krotos for rattle or rattling. (A couple favorite native plants...
The concept of the mountain ranges of the southwest as sky islands goes back to at least 1943 when Natt N. Dodge wrote that...
The photos are mine of the Mirabilis longiflora flowers and Manduca sexta, the Carolina sphinx moth and tobacco hornworm. Note the seven streamline white...