Botanical specimens, Plant collection, Botanical specimen preparation, Plant sample preparation, Orchidaceae, Herbarium specimen preparation, and Cactaceae
Cactaceae, Convention on International Trade in Endangered Species of Wild Fauna and Flora (1973), Endangered species, Identification, Geographical distribution, and Trade
Cacti, Echinocereus., Cactaceae, Taxonomy, and Geographical disrtibution
Descriptors, Tropical plants, Cactaceae, Identification, and Geographical distribution
Ecology, Ex situ conservation, Cactaceae, and Cacti
Vernacular names, Cactaceae, and Botanical illustration