H. Heide-Jørgensen

Xeromorphic Leaves of Hakea suaveolens R. Br. IV. Ontogeny, Structure and Function of the Sclereids

H. Heide-Jørgensen, 1990 .

Analysis of surface structures of Cladonia mitis podetia in historic and recent collections from Greenland

I. Johnsen, H. Heide-Jørgensen, 1995 .

The effects of UV-B radiation on European heathland species

L. Björn, A. Wellburn, T. Callaghan, 2004, Plant Ecology.