Conservation of Britain’s biodiversity: Hieracium angustatiforme, Small-leaved Hawkweed (Asteraceae)

The conservation status of Hieracium angustatiforme P.D. Sell & C. West (Asteraceae), Small-leaved Hawkweed, has been assessed. It is a rare endemic restricted to the Brecon Beacons, Wales. Only one population of c.330-430 plants is known in Craig Cerrig-gleisiad National Nature Reserve, and it has not been refound at three other sites. Hieracium angustatiforme is assessed as ‘Critically Endangered’ under IUCN (2001) threat criteria.