Rhytidhysterium rufulum
(Spreng.) Speg.
VEN 229228. Place of collection: Venezuela; Amazonas; Atures departamento; Puerto Ayacucho; Orinoco river, along; El Muelle. Date of collection: 22 January 1985. Associated organism: Plantae indet. (twig). Collector: Halling, R.E..