Olivier Filippi’s Nursery In France but export available to EU countries. The best collection of Cistus and Halimium commercially available anywhere. Very knowledgeable on their plants and how to grow them.
Angiosperm Phylogeny Website A website for the specialist, but with superb detailed photographs of cistus. Go to “Malvales”, then “Cistaceae” and click on the “Photos – Collection” link.
Collecting Labdanum the Traditional Way by Hand A website showing collection of ladanum/labdanum by the villagers of Sises in Crete, the only place where this ancient skill is still practised.