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

CTENOCLADUS(Borzì) Schmidle image
CTENOCLADUS(Borzì) Wille image
Ctenocladus circinnatusBorzì image
Ctenocladus fastigiatusBorzì image
Ctenocladus incrustans(Reinsch) De Wildeman image
Ctenocladus printzii(Vischer) T. Darienko & T. Pröschold Phytotaxa 324: 22 2017
Ctenocladus tibetensisT. Darienko & T. Pröschold Notulae algarum 243: 3, fig. 1 in Liu et al. (Phytotaxa 260: 75. 2016) 2022
Ctenocladus verrucariaeT. Darienko & T. Pröschold Notulae algarum 241: 2, fig. 2 2022