Tea forests, Sustainable agriculture, Asia, and Camellia sinensis
Easter Island
Taiwan International Orchid Show, Orchidaceae, Plant varieties, Cultivated plants, and Orchids
Vegetables, Plant propagation, Cultivation, Plant varieties, and Vegetable gardening
Cocktails, Cinchona, Quinine, Gin, Non-alcoholic beverages, Tonic water, Beverages, Alcoholic beverages, and Quinine industry
Trees, Ecology, Plant history, and Cultural heritage
Orchids, Gastrodia agnicellus, Orchidaceae, Ranomafana National Park (Madagascar), and Madagascar
Plant propagation, Cultivated plants, Bulbs (Plants), Cultivation, Seasons, and Great Britain
Taxonomy, Phylogeny, Cortinarius habros, and Quercus
Orchidaceae, Paphiopedilum, Hemipilia, Nomenclature, and New combinations
Children's non-fiction, Mycology, and Fungi
Plant collectors, Humblot, Léon Joseph Henry (1852-1914), and Comores
Dendrobium spenceanum
Orchidaceae, Papua New Guinea, New species, and Dendrobium aurifex