Silva Center for Phycological Documentation: Index Nominum Algarum

The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

Caulerpa webbiana f. distichaVickers image
Caulerpa webbiana f. distichaWeber-van Bosse image
Caulerpa webbiana f. divergens(J. Agardh) Weber-van Bosse Ann. Jard. Bot. Buitenzorg 15: 270 1898
Caulerpa webbiana f. elegansYamada & Tanaka image
Caulerpa webbiana f. tomentella(Harvey ex J. Agardh) Weber-van Bosse Ann. Jard. Bot. Buitenzorg 15: 270-271, pl. XXI: fig. 4 1898
Caulerpa webbiana f. tomentella(Harvey) Weber-van Bosse image
Caulerpa webbiana f. typicaWeber-van Bosse image
Caulerpa webbianaMontagne C.R. Acad. Sci. [Paris] 5: 429 [misprinted 529] 1837
Caulerpa webbiana var. divergensJ. Agardh Alg. Syst. 9{8}: 7-8 1873
Caulerpa webbiana var. pickeringii(Harvey & Bailey) Eubank Univ. Calif. Publ. Bot. 18: 416 1946