Barry E. Hammel

High proportion of cactus species threatened with extinction

Bárbara Goettsch, Craig Hilton‐Taylor, Gabriela Cruz-Piñón et al. · Nature Plants · 2015 · 366 citations · Full text

Natural Resources, Biodiversity Conservation, Conservation Biology +11

Manual de plantas de Costa Rica

Barry E. Hammel, Michael H. Grayum, Cecilia María Armas Herrera et al. · Missouri Botanical Garden eBooks · 2003 · 189 citations · Full text

Life Sciences, Botany, Plant Biology +9

Hemiepiphytes revisited

Gerhard Zotz, Frank Almeda, Alma Patricia Bautista-Bello et al. · Perspectives in Plant Ecology Evolution and Systematics · 2021 · 50 citations

Cladogram of Panamanian <i>Clusia</i> Based on Nuclear DNA: Implications for the Origins of Crassulacean Acid Metabolism

Hans Gehrig, Jorge Aranda, M. A. Cushman et al. · Plant Biology · 2003 · 44 citations

Life Sciences, Biology, Plant Sciences +17

Nyssa talamancana (Cornaceae), an Addition to the Remnant Laurasian Tertiary Flora of Southern Central America

Barry E. Hammel, Nelson Zamora · Brittonia · 1990 · 26 citations

Life Sciences, Botany, Plant Sciences +11