Steyermark & Smith 1983 (Article) Billbergia
Billbergia rosea and B. venezuelana
Author(s):—J.A. Steyermark & L.B. Smith
Publication:—Journal of the Bromeliad Society 33(1): 4-6,12. (1983)
Taxonomy:—Billbergia venezuelana Considered a synonym of Billbergia rosea Beer (p.12).