Christian E.O. Jensen

Christian Erasmus Otterstrøm 'Jensen' was a Danish pharmacist and botanist, for decades a leading bryologist in Scandinavia. He studied botany and pharmaceutics at the University of Copenhagen and the Pharmaceutical College in Copenhagen. For the better part of his adult life, he ran a pharmacy in Hvalsø, Denmark, while devoting all available time to the study of mosses.

Selected works

Jensen, C. Mosser fra Novaia Zemlia, samlede paa Dijmphna Expeditionen 1882–83 af Th. Holm. In: Dijmphna-Togtets zoologiske-botaniske udbytte. Copenhagen.
Jensen, C. Danmarks Mosser – Eller beskrivelse af de i Danmark med Faroe Islands. Copenhagen, Gyldendalske Boghandel/Nordisk Forlag.
*1. Hepaticales, Anthocerotales og Sphagnales, 317 pp.
*2. Andreæales og Bryales, 569 pp.
Jensen, C. Musci asiae borealis: Beschreibung der von schwedischen Expeditionen nach Sibirien in den Jahren 1875 und 1876 gesammelten Moose mit Berücksichtigung aller früheren bryologischen Angaben für das russische Nord-Asien. Dritter Teil: Torfmoose. Kungliga Svenska Vetenskapsakademiens Handlingar, Vol. 44, No. 5.
Jensen, C. Skandinaviens Bladmosflora. Copenhagen.