Gentianaceae | |
Blackstonia perfoliata subsp. grandiflora
| (Viv.) Maire | Cat. Pl. Maroc 3: 578 | 1934 |
Gentianaceae | |
Blackstonia perfoliata subsp. imperfoliata
| (L. f.) Franco & Rocha Afonso | Bot. J. Linn. Soc. 64: 378 | 1971 |
Gentianaceae | |
Blackstonia perfoliata subsp. intermedia
| Zeltner | | |
Gentianaceae | |
Blackstonia perfoliata var. ponsii
| O. Bolòs & Vigo | Collect. Bot. (Barcelona) 14: 89 | 1983 |
Gentianaceae | |
Blackstonia perfoliata subsp. serotina
| Vollm. | | |
Gentianaceae | |
Blackstonia perfoliata subsp. serotina
| Vollm. | | |