Ariocarpus, Living rocks of Mexico - History, species and habitat information, field numbers etc. Everything you ever wanted to know about Ariocarpus.
Cactus Conservation Institute - The CCI is dedicated to the study and preservation of vulnerable cacti in their natural range – starting with peyote and star cactus. At their site you find information on the latest research by Martin Terry et. al.
The Cactus and Succulent Plant Mall - An extensive collection of links to organizations and information, including societies, clubs, nurseries, and literature.
If you are curious to learn the etymology of words like e.g. Lophophora, diffusa, and decipiens The Dictionary of Botanical Epithets is a great resource.
The International Plant Names Index (IPNI) is a database of the names and associated basic bibliographical details of seed plants, ferns and fern allies. Its goal is to eliminate the need for repeated reference to primary sources for basic bibliographic information about plant names. IPNI is the product of a collaboration between The Royal Botanic Gardens, Kew, The Harvard University Herbaria, and the Australian National Herbarium
Köhres' Lophophora information - A lot of habitat Lophophora photos. Ordered by state, location and species.
Ralph Martin's Field Number Database - Ever wondered what a field number like "SB 854" meant? Check it out at Ralph's cactus and succulent field number query page.
I have joined Cactus Plaza's affiliate program meaning that if you click through to Cactus Plaza and make a purchase, I'll receive a commission helping me to run this blog. Prior to joining the program I tested the quality of Cactus Plaza's goods and services by ordering this splendid crested Lophophora williamsii.
Bohemia Cactus - Cacti and succulents, books, journals, free links, advertisements and more.