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Domínguez, Y., Panfet Valdés, C.M. & Miranda, V.F.O. (2014) Pinguicula filifolia subsp. alba (Lentibulariaceae), a new subspecies with an extremely restricted distribution in Pinar del Río, Cuba. Phytotaxa 158 (1): 85–92.

. Phytotaxa. 222, 4 (Aug. 2015), 300–300. DOI:https://doi.org/10.11646/phytotaxa.222.4.9.