]> FH barcode-00060560 Guatemala San Marcos Volcano Tajumulco, aong road between San Sebastián at km 21 and km 8, 8-18 miles northwest of San Marcos, crevices of banks of dry slopes, 2700-3800 m. Ditrichum steyermarkii E. B. Bartram E. B. Bartram 2010-08-16 16:43:12 J. A. Steyermark