Calystegia sepium (L.) R. Br subsp. binghamiae (Greene) Brummitt (Convolvulaceae), until recently presumed extinct, is elevated to species status. The basionym Convolvulus binghamiae Greene was published without identifying a type; therefore, a lectotype is selected from among the specimens cited in Greene's description.
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1 January 2012
Status of Bingham's Morning-Glory in the Light of its Rediscovery
R. K. Brummitt
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Madroño
Vol. 59 • No. 1
January 2012
Vol. 59 • No. 1
January 2012
Calystegia sepium subsp. binghamiae
Convolvulaceae
lectotype
new combination
rare species