A. P.  Davis, The genus Galanthus. Portland, Oregon: Timber Press, 1999.

M.  Bishop, Davis, A. P., and Grimshaw, J., Snowdrops: A Monograph of Cultivated Galanthus. Cheltenham: Griffin Press, 2006.

A. P.  Davis, McGough, H. N., Mathew, B., and Grey-Wilson, C., CITES bulb checklist. Kew: Royal Botanic Gardens, 1999.