Campanulaceae | |
Campanula pyramidalis fo. alba
| Voss | Vilm. Blumengärtn. ed. 3 1: 568 | 1894 |
Campanulaceae | |
Campanula pyramidalis var. calycina
| A. DC. | Monogr. Campan. 310 | 1830 |
Campanulaceae | |
Campanula pyramidalis var. compacta
| auct. | Garden (London, 1871-1927) 47: 86 | 1894 |