Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura
A giant among the giants: Arthrocereus grandiflorus (Cactaceae, Cactoideae), a new species from the Brazilian Cerrado
An updated checklist and quantitative analysis of the Marmarica Plateau flora, in the north-eastern part of Libya
Heracleum kurdistanicum (Apiaceae; Tordylieae), a new subalpine species from Dalanpar Mountain, NW Iran
Hyptis lavoisierifolia, a new species from the noteworthy Hyptis subsect. Pachyphyllae (Lamiaceae—Hyptidinae) endemic to Chapada dos Veadeiros region, Goiás, Brazil
Mexican Vascular Epiphytes: Richness and Distribution
The genus Ramalina Acharius (Ascomycota, Lecanoromycetes, Ramalinaceae) in northern South America