Rhytidhysteron rufulum
(Spreng.) Speg.
VEN 911. Place of collection: Venezuela; Bolívar; Warima; Río Acanan, by; Amaruai-tepui, near. Date of collection: 22 March 1987. Associated organisms: Plantae indet.; Unguiculariopsis ravenelii subsp. ravenelii. Collector: Iturriaga, T..