Title: The fossil plants of the Erian (Devonian) and Upper Silurian formations of Canada
Subjects: Fossil Plants, Paleobotany, Paleontology, Plantes fossiles, Paléobotanique, Paléontologie, Devonian Geologic Period, Silurian Geologic Period
Places: Canada
Time periods: Silurian, Devonian, Silurien, Dévonien