Campanula scabrella[1][2] er tegund af klukkuætt (Campanulaceae),[3] ættuð frá N-Kaliforníu til NV-Bandaríkjanna.[4][5]
- ↑ Engelm., 1881 In: Bot. Gaz. 6: 237
- ↑ WCSP: World Checklist of Selected Plant Families
- ↑ Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2014). „Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist“. Species 2000: Reading, UK. Sótt 26. maí 2014.
- ↑ Campanula scabrella Engelm. Plants of the world online
- ↑ Graham Nicholls (2006). Dwarf Campanulas and associated genera. Timber Press. bls. 151. ISBN 978-0-88192-810-5.