Lectotypification of some names in the Jovibarba heuffelii group (Crassulaceae)
A taxonomic study on Centaurea sect. Rhizocalathium and C. sect. Pseudoseridia (Asteraceae, Cardueae–Centaureinae) in Iran
Lycium ningxiaense, a replacement name for Lycium parvifolium T.Y. Chen & Xu L. Jiang (Solanaceae)
Agave dealbata E.Morren ex K.Koch (Asparagaceae), the correct name for Agave dasylirioides Jacobi & C.D.Bouché (Nomenclature of Agave L. I)
Nomenclatural and taxonomic novelties in Eriocaulaceae from the states of Rio de Janeiro and Santa Catarina, Brazil