Twelve new species of Hieracium sect. Tridentata (Asteraceae) from southern Sweden
Twelve new, presumably apomictic species of Hieracium sect. Tridentata, namely H. arcanum, H. versifrons, H. hyperoptum, H. irrugantifrons, H. karolinae, H. leucophlebium, H. melanostigma, H. neomixopolium, H. oxyodontum, H. rostockense, H. subcreperum and H. verecundum are described from the Götaland region of southern Sweden. Apart from morphological descriptions, illustrations and maps showing