]> GH barcode-00097500 Guatemala San Marcos Upper south-facing forested slopes of Volcán Tajumulco, between Las Canojas and top of ridge, 7 miles from San Sebastian, dry upper slopes, 3300-3900 m Macromeria guatemalensis I. M. Johnston I. M. Johnston 2010-08-16 16:41:59 J. A. Steyermark