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

NameAuthorSourceCitationYear
HALYSIUMKützing image
Halysium canaliculatumKützing Phycol. General.: 324 1843
Halysium canaliculatumKützing image
Halysium cylindricum(Ellis & Solander) Kützing Phyc. gen.: 323 1843
Halysium cylindricum(Ellis & Solander) Kützing image
Halysium fruticulosum(Ellis & Solander) Kützing image
Halysium holtingii(C. Agardh) Kützing image
Halysium induratum(Ellis & Solander) Kützing image
Halysium lapidescens(Ellis & Solander) Kützing image
Halysium lichenoides(Ellis & Solander) Kützing image
Halysium marginatum(Ellis & Solander) Kützing image
Halysium oblongatum(Ellis & Solander) Kützing Phyc. gen.: 323 1843
Halysium oblongatum(Ellis & Solander) Kützing image
Halysium rugosum(Ellis & Solander) Kützing Phyc. gen.: 323 1843
Halysium rugosum(Ellis & Solander) Kützing image