Bibliographic record
Lesquereux, Léo, 1880.Description of the coal flora of the Carboniferous formation in Pennsylvania and throughout the United States. Second Geological Survey of Pennsylvania: Report of progress, P, vol. I. Xv and 354 p.
Specimens figured in this publication:
(1)1184,
1620,
1624,
1625a,
1625b,
1628,
1630,
1630,
1651,
1665,
1667,
1668a,
1672,
1675,
1677,
1678,
1685,
1720,
1753,
1753a,
1754,
8627,
8642,
8654,
8687,
8688,
8695,
8718,