Ernst Johann Lemmermann (27 May 1867 in

Bremen Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the German state Free Hanseatic City of Bremen (''Freie Hansestadt Bremen''), a two-city-state consis ...

– 11 May 1915 in Bremen) was a German

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

who specialized in the field of

phycology Phycology () is the scientific study of algae. Also known as algology, phycology is a branch of life science. Algae are important as primary producers in aquatic ecosystems. Most algae are eukaryotic, photosynthetic organisms that live in a w ...

. During his career he taught classes (''Seminarlehrer'') in

, where he also worked as a botanical assistant at the '' Städtisches Museum für Natur-, Völker- und Handelskunde''. In Bremen he was an instructor to

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

Friedrich Hustedt Friedrich Hustedt (1886 – 1 April 1968) was a German teacher and botanist, best known for his diatom systematics research. He was born and grew up in Bremen, Germany. He taught school for 32 years, in 1924 becoming the head teacher of the sc ...

(1886-1968), who named the

diatom A diatom (Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising sev ...

species of ''Achnanthes lemmermannii'' in honor of his former teacher in 1933. He was also honoured in 1942, in '' Lemmermanniella'', which is a genus of

cyanobacteria Cyanobacteria (), also known as Cyanophyta, are a phylum of gram-negative bacteria that obtain energy via photosynthesis. The name ''cyanobacteria'' refers to their color (), which similarly forms the basis of cyanobacteria's common name, blu ...

belonging to the family Synechococcaceae, and '' Lemmermannia'' which is a genus of fresh water trebouxiophyceans, named in 1904.Lemmermann, E. (1904). Das Plankton schwedischer Gewässer. Arkiv för Botanik 2 (2): 1-209. Also, the

blue-green algae Cyanobacteria (), also known as Cyanophyta, are a phylum of gram-negative bacteria that obtain energy via photosynthesis. The name ''cyanobacteria'' refers to their color (), which similarly forms the basis of cyanobacteria's common name, bl ...

species, ''Anabaena lemmermannii'' was named after Lemmermann, now a synonym of ''Dolichospermum lemmermannii'' .

Published works

* ''Algologische Beiträge (IV-V)'', 1898. * ''Ergebnisse einer Reise nach dem Pacific (H. Schauinsland, 1896/97) : Plankton-algen'', 1899 - Findings from a journey to the Pacific ( Hugo Hermann Schauinsland, 1896-97): Plankton-algae. * ''Das Genus Ophiocytium Naegeli'', 1899. * ''Flagellatae, Chlorophyceae, Coccosphaerales und Silicoflagellatae'' (1908) in: Nordisches Plankton by Karl Andreas Heinrich Brandt and

Carl Apstein Carl Heinrich Apstein (19 September 1862, Stettin – 14 November 1950, Berlin) was a German zoologist (over a wide variety of animal life) and botanist (with a focus on phytoplankton and algae). In 1889 he earned his doctorate from the Universi ...

(editors) – Flagellatae, Chlorophyceae, Coccosphaerales and

Silicoflagellata Dictyochales (Silicoflagellates, or Dictyochophyceae ''sensu stricto'') are a small group of unicellular heterokont algae, found in marine environments. Characteristics In one stage of their life cycle, they produce a siliceous skeleton, comp ...

e. * ''Das Plankton schwedischer Gewässer'', 1904 - Plankton of Swedish waterways. * ''Pantostomatineae, Protomastiginae, distomatinae'', 1914.Google Books
Pantostomatineae, Protomastiginae, distomatinae

References

{{DEFAULTSORT:Lemmermann, Ernst Scientists from Bremen 1915 deaths 1867 births German phycologists 20th-century German botanists 19th-century German botanists