Pollen morphology of Scorzonera s.l. (Asteraceae, Cichorieae, Scorzonerinae) occurring in Iran
Reestablishment of Amazonian species Eugenia pisonis (Myrtaceae)
The identity of Phlogacanthus curviflorus var. menchanensis (Acanthaceae)
Staurosirella eruciformis, a new Staurosirella (Bacillariophyta) species from a historic sample from Scotland, UK
