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
BOSSIELLA subg. PACHYARTHRON(Manza) H.W. Johansen Univ. Calif. Publ. Bot. 49: 59 1969
PACHYARTHRON(Manza) H.W. Johansen Univ. Calif. Publ. Bot. 49: 59 1969
PACHYARTHRONJ. Agardh image
PACHYARTHRONManza Proc. Natl. Acad. Sci. U.S.A. 23: 45 1937
Pachyarthron(Manza) Johansen image
Pachyarthron californicum(Decaisne) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron californicum subsp. schmittii(Manza) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron chiloense(Decaisne) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron compressum(N.G. Klochkova) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron cooperi(E.Y. Dawson & P.C. Silva) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron corymbiferum(Manza) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron cretaceum(Postels & Ruprecht) Manza Proc. Natl. Acad. Sci. U.S.A. 23: 45 1937
Pachyarthron frondescens(Postels & Ruprecht) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron gardneri(Manza) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron insulare(E.Y. Dawson & P.C. Silva) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron interruptum(Manza) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron ligulatum(E.Y. Dawson) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron orbignianum(Decaisne) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron orbignianum subsp. dichotomum(Manza) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron pachycladum(W.R. Taylor) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron plumosum(Manza) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007
Pachyarthron sagittatum(E.Y. Dawson & P.C. Silva) C.W. Schneider & M.J. Wynne Bot. Mar. 50: 231 2007