Dipsacaceae
- Botanical characteristics of this family with drawings of species of Scabiosa, Dipsacus and Cephalaria.
- http://delta-intkey.com/angio/www/dipsacac.htm

Dipsacales
- Discussion of the phylogenetic relatioships of this order with photographs of Dipsacus fullonum, Lonicera maackii and Nardostachys jatamansi.
- http://tolweb.org/Dipsacales/20743