Guzmania angustifolia (Baker) Wittm.

Literature references:

Baensch & Baensch 1994: 175 Baker 1852: 116:7137 FCBS (Web) Gilmartin 1972: 269 J. Bromeliad Soc.: 30:109 Oliva-Esteve 2000a: 168 Rauh 1979c: pl.50 Rauh 1981, 1990: Farbb. 50 Smith & Downs 1977: 1323,1327 Tropicos