©œS©œy©œa©œg©œr©œu©œs ©œo©œl©œe©œr©œa©œc©œe©œa (Mart.) Becc. and closely related taxa
By: S. 
Series: Fieldiana; Publication / Field Museum of Natural Hi
Publisher: Field Museum of Natural
Published: 1968
Place of publication: Chicago, Ill