Greigia mulfordii L.B.Sm.

Literature references:

Die Bromelie 2/88: 1988:25b Gilmartin 1972: 274 Manzanares 2002a: 72,82 NY Bot. Garden Rauh 1981, 1990: Abb. 299 Smith & Downs 1979: 1646,1649 U.S. Nat. Herb.