Guzmania lingulata var. cardinalis (André) André ex Mez

Literature references:

Baensch & Baensch 1994: 178 Bromtravels (Web) FCBS (Web) Golinski 1997 J. Bromeliad Soc.: 11:19b Lemaire 1855b: 27:374 Padilla 1973, 1986: 67c Rev. Hortic.: 55:12 Smith & Downs 1977: 1352 Wilson 1977: 46 Zaghini 2000: 34 Zimmer 1986: 94