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

HORNICHARAV.P. Maslov image
Hornichara kazakstanicaMaslov image
Hornichara leduensisG.D. Yang in Y.C. Hao et al. Earth Science - J. Wuhan Coll. Geol. 23: 144, pl. 31: figs. 19, 20 1983
Hornichara miocenicaMaslov image
Hornichara mucronataV.D. Nikol'skaya Bot. Zhurn. 69: 1094, fig. 2: 16-20 1984
Hornichara sarmaticaMaslov image
Hornichara volgaensisMaslov image
Hornichara yiduensisZhen Wang Mem. Nanjing Inst. Geol. & Palaeontol. 9: 116, pl. III: figs. 19-30 1978