Leguminosae, Legumes, Alexa, Useful plants, Brazil, Maracá Rainforest Project, Economic botany, Ilha de Maracá (Brazil), and Caesalpinia
Bahia (Brazil), Brazil, Campo rupestre, Plant collecting, Coastal forests, and Restinga
Paphiopedilum, Solomon Islands, Dendrobium, Orchidaceae, Plant collecting, and Orchids
Papua New Guinea, New Ireland (Papua New Guinea), Plant collecting, and New Guinea
Lichiang Mountains (China), China, Plant collecting, Yunnan (China), and Alpine plants
Nepal, Plant collecting, and Himalaya
Plant collecting, Wakhan Corridor (Afghanistan), and Afghanistan
Wahiba Sands (Oman), Oman, Plant collecting, and Flora of the Arabian Peninsula
East Africa, History of botany, Plant collecting, Scientific expeditions, Africa, Royal Botanic Gardens, Kew, and Plant collectors
Plant collecting, History of botany, Royal Botanic Gardens, Kew, Scientific expeditions, Plant collectors, Malawi, and Africa