In a publication dealing with species from Mt. Roraima on the Guyana/Venezuelan border, Mitten described Aneura polyclada Mitt. (Chile), A. polyptera Mitt. (Chile) and A. denticulata Mitt. (Colombia). These valid names represent taxa of the genus Riccardia. Aneura polyclada has priority over Aneura umbrosa Schiffn. & Gottsche, and should be transferred to Riccardia as Riccardia polyclada (Mitt.) Hässel comb. nov. Aneura polyptera is conspecific with the older Riccardia fuegiensis C. Massal. The type specimens of A. polyclada and A polyptera have been located at the BM herbarium. The type of A. denticulata has not been found and its identity could not be confirmed.
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The Bryologist
Vol. 109 • No. 1
March 2006
Vol. 109 • No. 1
March 2006