The Flora of Peninsular Malaysia Series II provides revisions of seed plant families that occur in Peninsular Malaysia. Volume 11 includes revisions of 146 species in 7 families, namely Achariaceae, Araliaceae, Ericaceae, Ixonanthaceae, Ranunculaceae, Salicaceae and Umbelliferae. Conservation status and distribution maps are provided for indigenous species. Representative species are illustrated by botanical plates and colour photographs. (Botany/Flowers & Plants)