| Campanula latisepala forma alba J.Rousseau & Raymond (synonym) |
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| Campanula rotundifolia forma albiflora E.L.Rand & Redfield, nom. illeg. (synonym) |
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| Campanula rotundifolia var. alpina Tuck. (synonym) |
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| Campanula rotundifolia var. canescens E.J.Hill (synonym) |
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| Campanula rotundifolia forma cleistocodona Lakela (synonym) |
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| Campanula rotundifolia var. dentata Coleman, nom. illeg. (synonym) |
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| Campanula rotundifolia subsp. intercedens (Witasek) Á.Löve & D.Löve (synonym) |
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| Campanula rotundifolia var. intercedens (Witasek) Farw. (synonym) |
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| Campanula rotundifolia forma linifolia Farw., nom. illeg. (synonym) |
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| Campanula virgata Raf. ex Schult., nom. illeg. (synonym) |
|
