Nils Gustaf Lagerheim (1860–1926) was a Swedish botanist, mycologist, phycologist, and

pteridologist #REDIRECTFern 01 Ferns Pteridologist #REDIRECTFern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The ...

. Today, he is best remembered as one of the chief architects of

pollen analysis Palynology is the "study of dust" (from grc-gre, παλύνω, palynō, "strew, sprinkle" and ''-logy'') or of "particles that are strewn". A classic palynologist analyses particulate samples collected from the air, from water, or from deposits ...

as a tool in botany, alongside his student Ernst Post. In 1895, botanists

Giovanni Battista De Toni Giovanni Battista de Toni (2 January 1864, Venice – 31 July 1924, Modena) was an Italian botanist, mycologist and phycologist. In 1885 he graduated from the University of Padua, where he studied natural sciences and chemistry with Pier Andre ...

and

Robert Hippolyte Chodat Robert Hippolyte Chodat (4 June 1865, Moutier – 28 April 1934) was a Swiss botanist and phycologist who was a professor and director of the botanical institute at the University of Geneva. He studied medicine and botany at Geneva, where he was l ...

published ''

Lagerheimia ''Lagerheimia'' is a genus of green algae in the family Oocystaceae. It is commonly found in freshwater habitats all over the world, although some species are rare and have only been recorded from Europe or the United States. The genus name of ' ...

'', which is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

green algae The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emerged deep in the Charophyte alga as ...

in the family

Oocystaceae Oocystaceae is a family of green algae, in the order Chlorellales. The type genus is '' Oocystis''. List of genera , AlgaeBase accepted the following genera: *'' Amphikrikos'' Korshikov – 6 species *'' Catenocystis'' F.Hindák – 2 specie ...

, named in his honour. Then in 1940, Boedijn published ''Lagerheimiella'', another green algae genus.

References

{{DEFAULTSORT:Lagerheim, Nils Gustaf Swedish botanists Swedish mycologists Swedish phycologists 1860 births 1926 deaths