One of North America’s endemic hornworts, Phaeoceros proskaueri Stotler, Crand.-Stotl. & W.T.Doyle [also known as Paraphymatoceros proskaueri (Stotler, Crand.-Stotl. & W.T.Doyle) J.C.Villarreal & Cargill] was described from plants collected in the Monterey Bay…