Cytotaxonomie studies of the ferns of Trinidad /

Autor Jermy, A. C., Walker, T. G.
Vydáno 1985

Sedges of the British Isles : revised and enlarged to include all genera of Cyperaceae /

Autor Jermy, A. C., Simpson, D. A. 1955-, Foley, Michael, Porter, Michael
Vydáno 2007