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

Coscinodiscus lineatusC.G. Ehrenberg image
Coscinodiscus lineatus f. minorJ. Frenguelli image
Coscinodiscus lineatus f. polychordus_('polychorda')(Gran) H. Peragallo & M. Peragallo Diatomées Marines de France: 427 1908
Coscinodiscus lineatus var. ellipticusKolbe Rep. Swedish Deep-Sea Exped. 6: 32, 48, pl. II: fig. 15 1954
Coscinodiscus lineatus var. ellipticusR.W. Kolbe image
Coscinodiscus lineatus var. macroporusM. Hajós image
Coscinodiscus lineatus var. multiareolatusZimmermann image
Coscinodiscus lineatus var. ocellatusJ. Schumann image
Coscinodiscus lineatus var. oculatusP.C.M. Petit image
Coscinodiscus lineatus var. teneraA. Truan y Luard & O.N. Witt image