Rocky Mountain wild flowers Ill. by Dagny Tande Lid von Porsild, A. E. 1901-1977

Materials for a flora of central Yukon territory von Porsild, A. E. 1901-1977

Illustrated flora of the Canadian arctic archipelago von Porsild, A. E. 1901-1977

The vascular plants of the Western Canadian arctic archipelago von Porsild, A. E. 1901-1977

The vascular - flora of the North American Arctic von Porsild, A. E. 1901-1977

Contributions to the Flora of West Greenland at 70° - 71° 45' N. Lat. By A. E. Porsild von Porsild, A. E. 1901-1977

Sur le poids et les dimensions des graines arctiques von Porsild, A. E. 1901-1977

Rocky Mountain wild flowers Ill. by Dagny Tande Lid von Porsild, A. E. 1901-1977

Vascular plants of continental Northwest Territories, Canada von Porsild, A. E. 1901-1977, Cody, William J.

Inhaltsverzeichnis

Materials for a flora of central Yukon territory von Porsild, A. E. 1901-1977

Illustrated flora of the Canadian Arctic archipelago von Porsild, A. E. 1901-1977

Potamogeton illinoensis new to Mackenzie District von Cody, William J., Porsild, A. E. 1901-1977

Illustrated flora of the Canadian Arctic archipelago von Porsild, A. E. 1901-1977

Illustrated flora of the Canadian Arctic archipelago von Porsild, A. E. 1901-1977

Botany of southeastern Yukon adjacent to the Canol road von Porsild, A. E. 1901-1977

Emergency food in arctic Canada von Porsild, A. E. 1901-1977

Materials for a flora of the continental northwest territories of Canada with four plates von Porsild, A. E. 1901-1977, Raup, Hugh Miller 1901-

Weitere Verfasser: “… Porsild, A. E. …”

Rocky Mountain wild flowers von Porsild, A. E. 1901-1977

Checklist of the vascular plants of continental Northwest territories Canada von Porsild, A. E. 1901-1977, Cody, William J.

Additions to the flora of continental northwest territories, Canada von Cody, William J., Porsild, A. E. 1901-1977