The rediscovery of Impatiens sigmoidea Hook. f. (Balsaminaceae) in Guizhou, China after more than 100 years

Types of some Mexican names in Amaranthaceae s.l. (Caryophyllales)

Salvia cajamarcana (Lamiaceae), a new species from Cajamarca Department, Peru, and lectotypification of S. revoluta

Circumscription of the grammitid fern genus Oreogrammitis (Polypodiaceae) with the description of three new genera: Calligrammitis, Devolia, and Glabrigrammitis

A new species of Centaurea sect. Acrocentron (Asteraceae, Cardueae) from Iran

Ferula ermenekense (Apiaceae), an interesting new species from Southern Anatolia in the eastern Mediterraenean Basin

Morphological and phylogenetic evidence for the transfer of the monotypic genus Tordyliopsis to Semenovia (Apiaceae)

Arrojadoa flava (Cactaceae, Cactoideae), a new yellow flowered species from the Brazilian flora

Colletotrichum menezesiae sp. nov.: a novel species causing anthracnose on chayote in Brazil