Bibliographic recordLesquereux, Léo, 1858.Fossil plants of the coal strata of Pennsylvania, in H.D. Rogers, Geology of Pennsylvania, vol. II, part 2, p. 837-884. (Second edition, 1868).Specimens figured in this publication:8642,
Lesquereux, Léo, 1858.Fossil plants of the coal strata of Pennsylvania, in H.D. Rogers, Geology of Pennsylvania, vol. II, part 2, p. 837-884. (Second edition, 1868).Specimens figured in this publication:8642,
Fossil plants of the coal strata of Pennsylvania, in H.D. Rogers, Geology of Pennsylvania, vol. II, part 2, p. 837-884. (Second edition, 1868).
Specimens figured in this publication:
8642,
