Pinguicula filifolia Wright ex Grisebach subsp. filifolia (1866: 162).
Type (lectotype, designated by Domínguez et al. 2017: 184):—[CUBA]. [Pinar del Río]: Cuba occ.[identali], 1865, C. Wright 2886 [=560] (GOET barcode GOET004568!, isolectotype US barcode 00136346!; image of the lectotype available at https://plants.jstor. org/stable/viewer/10.5555/al.ap.specimen.goet004568).
≡ Pinguicula filiformis Balátová-Tuláčková & García (1987: 220), orth. var.