Ipor I. B., Ørgaard M. & Jacobsen N.: Cryptocoryne ×batangkayanensis (Araceae), a new hybrid from Sarawak.
A new hybrid species, Cryptocoryne ×batangkayanensis Ipor, Ørgaard & N. Jacobsen (C. cordata var. grabowskii
(Engl.) N. Jacobsen × C. ferruginea Engl. var. ferruginea), from the Batang Kayan basin, Sarawak, Malaysia, is described
and illustrated. It is compared with the parent species and an artificial hybrid of the same parentage.