Eucomis List
- Members photographs of Eucomis species and cultivars, and instructions for propagating by leaf cuttings from the International Bulb Society.
- http://www.bulbsociety.org/GALLERY_OF_THE_WORLDS_BULBS/GRAPHICS/Eucomis/Eucomislist.shtml

PBSWiki - Eucomis
- Photographs and brief notes on a range of Eucomis species, uploaded by Pacific Bulb Society members.
- http://www.pacificbulbsociety.org/pbswiki/index.php/Eucomis

PBSWiki - Erythronium
- Descriptions and photographs of a wide range of Erythronium species and hybrids from the Pacific Bulb Society.
- http://www.pacificbulbsociety.org/pbswiki/index.php/Erythronium

BBC Gardening : Euphorbia
- Hardy herbaceous Euphorbias (spurges) with notes on their cultivation and propagation.
- http://www.bbc.co.uk/gardening/plants/plantprofile_euphorbia.shtml