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
Navicula hungarica f. elegans Østrup image
Navicula hungarica f. ovalisFrenguelli image
Navicula hungaricaGrunow Verh. K.K. Zool.-Bot. Ges. Wien 10: 539, pl. 1: fig. 30 1860
Navicula hungarica var. arcticaPatrick & Freese image
Navicula hungarica var. arcticaR. Patrick & L.R. Freese Proc. Acad. Nat. Sci. Philadelphia 112: 207, pl. 2: fig. 16 1961
Navicula hungarica var. capitata(Ehrenberg) Cleve image
Navicula hungarica var. elegans(Østrup) Cleve-Euler image
Navicula hungarica var. genuinaMayer image
Navicula hungarica var. humilis(Donkin) Gutwinski image
Navicula hungarica var. intermediaSkabichevskij Bot. Zhurn. SSSR 21: 712(R), 720, pl. I: fig. 12 1936
Navicula hungarica var. lanceolataSkvortzov image
Navicula hungarica var. lanceolata Østrup image
Navicula hungarica var. linearisØstrup Danske Diat.: 79, pl. II: fig. 53 1910
Navicula hungarica var. linearis Østrup image
Navicula hungarica var. luneburgensisGrunow Beitr. Paläontol. Österr.-Ung. 2: 156, pl. XXX: figs. 43, 44 1882
Navicula hungarica var. obtusaR.F. Bastow Rep. & Trans. Devonshire Assoc. Advancem. Sci., Lit. & Art 89: 270, figs. 4, 4a 1957
Navicula hungarica var. ovalis(Frenguelli) Frenguelli image
Navicula hungarica var.? acutaCleve-Euler image