Rutger Sernander

{{Short description|Swedish scientist (1866–1944)}}

{{Use dmy dates|date=March 2016}}

{{Infobox scientist

| name = Johan Rutger Sernander

| image = Rutger Sernander.jpg

| image_size = 230px

| caption = Rutger Sernander

| birth_date = 2 November 1866

| birth_place = Viby, Närke, Sweden

| death_date = {{death-date and age|27 October 1944|2 November 1866}}

| death_place = Uppsala, Sweden

| nationality = Swedish

| field = Geology, Botany, Palynology, Archaeology

| work_institution = Uppsala University

| alma_mater = Uppsala University

| doctoral_advisor =

| doctoral_students =

| known_for = Palynology

| spouse = Signe Lindhagen

| children = 1

}}

Johan Rutger Sernander (2{{nbsp}}November 1866{{snd}}27{{nbsp}}October 1944) was a Swedish botanist, geologist and archaeologist. He was one of the founders of the study of palynology which would later be developed by Lennart von Post, as well as a pioneer in the early Swedish natural conservation and ecology movements. He was among other societies a member of the Royal Swedish Academy of Sciences,{{cite encyclopedia|url=https://runeberg.org/nfce/0107.html|title=Sernander, Johan Rutger|page=182|encyclopedia=Nordisk familjebok|date=1917}} the Royal Swedish Academy of Letters, History and Antiquities and Norwegian Academy of Science and Letters.Matrikel över ledamöter av Kungl. Vitterhetsakademien och Kungl. Vitterhets Historie och Antikvitets akademien, Bengt Hildebrand (1753–1953), Margit Engström och Åke Lilliestam (1954–1990), Stockholm 1992 {{ISBN|91-7402-227-X}} s. 54 Sernander was one of the founders of the Swedish Society for Nature Conservation in 1909, as well as its chairman during a number of the first years.{{cite encyclopedia|last=Jonsell|first=Bengt|title =J Rutger Sernander|encyclopedia =Svenskt biografiskt lexikon|year =2003–2006|publisher =National Archives of Sweden|location =Stockholm |language=Swedish|volume=32|page=65|url =https://sok.riksarkivet.se/SBL/Presentation.aspx?id=5866|accessdate=21 March 2016}}

He was professor of plant biology at Uppsala University from 1908 until 1931.{{cite journal |last1=Jorgensen |first1=Per M. |last2=Lindblom |first2=Louise |title=Greta Sernander-DuRietz – Sveriges första kvinnliga lavforskare |journal=Svensk Botanisk Tidskrift |date=2006 |volume=100 |issue=4 |pages=256 - 260 |url=https://www.diva-portal.org/smash/get/diva2:1203096/FULLTEXT01.pdf |access-date=1 January 2025}}

He was married to Signe Lindhagen and they had one daughter, Greta Sernander-DuRietz.

Lichens named after him include Leptogium sernanderi DuRietz. (now Leptogium rivulare),{{cite web |title=Leptogium sernanderi Du Rietz, 1922 |url=https://www.gbif.org/species/222042989/verbatim |website=GBIF |access-date=1 January 2025}} which he found around 1914 but the type specimen was probably collected later by his daughter.