1855 – 1909
Bibliografía (46 obras)
Catalog of the Foslie Herbarium
1967
Contributions to a monograph of the Lithothamnia
1929
Contributions to a monograph on the Lithothamnia
Remarks on two fossil Lithothamnia
1909
Nye kalkalger
1908
Remarks on Lithothamnion murmanicum
Antarctic and subantarctic Corallinaceae
1907
Lithothamnia ...
Marine algae
Two new coralline Algae from Culebra, Porto Rico
1906
New Lithothamnia and systematical remarks
1905
Remarks on northern Lithothamnia
Lithothamnion vardøense
A new Squamariacea from the Adriatic and the Mediterranean
Den botaniske samling
1904
Die Lithothaminien des Adriatischen Meeres und Marokkos
Algologiske notiser
The Lithothamnia of the Maldives and Laccadives
1903
New species or forms of Melobesieae
1902
Three new Lithothamnia
1901
Corallinaceae
Calcareous algae from Fuegia
1900
Bemerkungen zu F. Heydrich's arbeit
Five new calcareous algae
Die systematik der Melobesieae
New Melobesieae
A visit to Roundstone in April
1899
New or critical calcareous algae
List of species of the Lithothamnia
1898
Einige bemerkungen über Melobesieae
1897
Weiteres über Melobesieae
Ectocarpus (Streblonema) Turnerella, a new alga
1896
Reproductive organs in Turnerella septemtrionalis
The Norwegian forms of Lithothamnion
1895
New or critical Lithothamnia
1894
Ueber eine neue Laminaria (Laminaria Schinzii) aus Westafrika
1893
The Norwegian forms of Ceramium
Algological notices
1892
Remarks on forms of Ectocarpus und Pylaiella
1891
Isthmoplea rupincola, a new alga
Contribution to knowledge of the marine algae of Norway
1890
Contribution to knowledge of the marine algæ of Norway
Kritisk fortegnelse over norges havsalger efter aeldre botaniske arbeider indtil aar 1850
1886
Ueber die Laminarien norwegens
1884
