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

HETEROCHORDARIAW.A. Setchell & N.L. Gardner image
Heterochordaria abietina(F.J. Ruprecht ex W.G. Farlow) Setchell & N.L. Gardner Univ. Calif. Publ. Bot. 13: 6 1924
Heterochordaria abietina(F.J. Ruprecht) W.A. Setchell & N.L. Gardner image
Heterochordaria abietina f. gunjii(Yendo) Inagaki image
Heterochordaria abietina f. simplexTokida image
Heterochordaria filiformis(Yendo) Tokida image
Heterochordaria gunjii(Yendo) Tokida image
HETEROCHORDARIACEAESetchell & Gardner image