Vernacular names, Guide books, Central America, Mexico, Pinus, Nomenclature, Pinaceae, Field guides, Habitats, Taxonomy, and Geographical distribution

Wild plants, Guide books, Oman, Floras, Keys, Field guides, Geographical distribution, Wild flowers, and Habitats

Field gudes, Madagascar, Guide books, Habitats, Orchidaceae, Geographical distribution, Phenology, and Identification