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