A new Guatemalan Spigelia
By: Dorothy N. Gibson.
Series: Fieldiana : botany -- v. 32, no. 1; Publication / Field Museum of Natural History -- 1052; Publication (Field Museum of Natural History : 1966) -- 1052.
Publisher: Field Museum of Natural History
Published: 1968
Place of publication: [Chicago]
Subjects: Spigelia pygmaea.