Template:H.F.Becker, 1972

• Becker, H.F. 1972. The Metzel Ranch flora of the upper Ruby river basin, southwestern Montana. Palaeontographica. Abteilung B, Paläophytologie 141(1-2): 1–61. ISSN 0375-0299.   
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Nomenclatural acts

• Date of publication: 18 December 1972

New names

• †Ceanothus variabilis
• †Crataegus elwyni
• †Koelreuteria bipinnatoides
• †Rhamnus rubyvallis
• †Spiraea decurrens