A revision of the fossil plants of the genera Acrostichopteris, Taeniopteris, Nilsonia, and Sapindopsis from the Potomac group
Published in Proceedings of The United States National Museum, in 1910, in volume 38, pages 625-644
Date published:1910
Published in Proceedings of The United States National Museum, in 1910, in volume 38, pages 625-644
Date published:1910