Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)
A taxonomic revision of the genus Antiphiona (Inuleae, Asteraceae), including a report of the first collection of the genus for South Africa
Five new Brazilian species of Eugenia (Myrtaceae)
Lanmaoa rubriceps, a new bolete from tropical China
Navarretia panochensis (Polemoniaceae), a new species from the Panoche Hills and Panoche Valley of the San Joaquin Desert, California
A new perennial species of Portulaca (Portulacaceae) from central Mexico
Lectotypification of two Stegolepis names (Rapateaceae)
