Nomenclatural act

Plant Fossil Names Registry Number: PFN003464
Act LSID: urn:lsid:plantfossilnames.org:act:3464
Didymophyllon owenii sp. nov.
Lesquereux, C. L. (1881): Description of the coal flora of the Carboniferous Formation in Pennsylvania and throughout the United States. – Second Geological Survey of Pennsylvania Report of Progress 1.