Nomenclatural act
Plant Fossil Names Registry Number: PFN001908
Act LSID: urn:lsid:plantfossilnames.org:act:1908
Spirodela magna sp. nov.
MacGinitie, H. D. (1974): An early Middle Eocene flora from the Yellowstone-Absaroka volcanic province, northwestern Wind River Basin, Wyoming. – University of California Publications in Geological Sciences 108: 1–103, 45 pls.