Since 2005 offers links to websites related to biochemistry, reliability engineering, chemist, morality, medical physics, mechanical engineering, earth sciences, materials, astrophysics, nuclear, software, molecular and much more.
Devoted to studying, growing and sharing desert plants.
Devoted to cacti and succulent plants.
Dedicated to the popularization and conservation of the Cactus family (Cactaceae) that occurs in Brazil.
Dedicated to promoting the study, conservation, propagation, and cultivation of cacti and other succulent plants.
Resource for all growers of cacti and succulent plants.
Echinopsis multiplex cactus collection gone mad, multiplying and populating the planet.
Devoted to the study and enjoyment of cacti and succulents.
Provides a description of the flowering cactus genus, discussion forums in English and in French, a field collection number list, and a picture gallery.
All about these hybrids of epiphytic cacti species, sometimes referred to as cactus orchids or epiphytic cactus.
Bi-monthly publication for lovers of cactus, other succulents and caudiciforms; site includes sections on plant/seed suppliers, books for sale and information sharing.