Dudman Richards 1997
Dudman & Richards (1997)
- Dudman, A. A. & Richards, A. J. 1997. Dandelions of Great Britain and Ireland: Handbooks for Field Identification. Pp. 330. Botanical Society of the British Isles Publications.
ノート
- ISBN: 978-0-901158-25-3.
- BSBI Handbook No. 9
- 新しい版: Richards, A. J. 2021. Field Handbook to British and Irish Dandelions. Pp. 302 + colour photos + 179 maps. Botanical Society of Britain & Ireland.