Information on plants in the Rhipsalis, Lepismium, Hatiora and Schlumbergera genera, including species lists with photos, cultivation and propagation details, and links to vendors and collections.
Arizona public garden presents a series of articles on growing arid-climate plants, mostly cacti and succulents, in containers and in-ground. Covers adeniums, aloes, agaves, lithops, euphorbias, and various cacti.
Arizona collector provides information on discocactus, melocactus, uebelmannia, arrojadoa, buiningia, and micranthocereus. Includes cultivation notes, bibliography and a photo gallery.