Template:H.F.Becker, 1966

• Becker, H.F. 1966. Additions to and revision of the Oligocene Ruby Paper Shale Flora of Southwestern Montana. Contributions from the Museum of Paleontology, University of Michigan 20(5): 89–119. ISSN 0097-3556.  PDF  
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Nomenclatural acts

• Date of publication: 10 May 1966

New names

• †Alnus dorfi
• †Pinus drepanogona
• †Prunus eleanorae
• †Rhus cotinoides