Cladocarpa semitonsa (H. St. John) H. St. John , Bot. Jahrb. Syst. 99: 491. 1978.
Flora of the Hawaiian Islands --Basionym Type Information Sicyos semitonsus H. St. John , Pacific Sci. 24: 453 1970.
Laysan: NW end of lagoon in a flat area. 19 September 1964. C.N. Long 2370.
Note: Original plate for illustration also mounted and in the collection (BISH!). St. John cited "other collections with the same data, Long 2365, 2368, and 2369 (Univ. Hawaii) are evidently duplicates and therefore isotypes." But they must be considered paratypes, since they have different collection numbers.