Billbergia macrocalyx Hook.

Literature references:

Baker 1852: 85:5114 Belg. Hortic.: 10:289 Brom. J. Queensl.: 42(2):25 BSA (Web) FCBS (Web) Harms 1937: 39:202d J. Bromeliad Soc.: 41:104p Rauh 1979c: pl.878 Rauh 1981, 1990: Farbb. 87 Smith & Downs 1979: 1992,1993: 1992*: 1992*

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