Rubiaceae | |
Asperula purpurea subsp. apiculata
| (Sibth. & Sm.) Ehrend. | Bot. J. Linn. Soc. 68: 269 | 1974 |
Rubiaceae | |
Asperula purpurea var. apiculata
| Ehrend. | Bot. J. Linn. Soc. 68(4): 269 | 1974 |
Rubiaceae | |
Asperula purpurea subsp. apuana
| (Fiori) Bechi & Garbari | 4: 223 | 1994 |
Rubiaceae | |
Asperula purpurea var. luteoviride
| (Rohlena) Ančev | in Fl. Nar. Rep. Bulg. 9: 41 | 1989 |
Rubiaceae | |
Asperula purpurea subsp. purpurea
| | | |
Rubiaceae | |
Asperula purpurea var. purpurea
| | | |
Rubiaceae | |
Asperula purpurea var. trichantha
| (Vand.) Ančev | in Fl. Nar. Rep. Bulg. 9: 41 | 1989 |