Nomenclatural act

Plant Fossil Names Registry Number: PFN001961
Act LSID: urn:lsid:plantfossilnames.org:act:1961
Harmsvernia hydrocotyloidea nom. nov.
Postnikoff, A. C. L. (2009): Flora of the Ravenscrag Formation of the Big Muddy valley, Willow Bunch Lake map area (72H), Saskatchewan. University of Saskatchewan: 1–230.