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{{Short description|American botanist (1920–2000)}}
⚫
'''Warren Herbert Wagner Jr.''' (August 29, 1920 – January 8, 2000) was an eminent American [[botanist]] who was trained at Berkeley with [[Edwin Bingham Copeland|E.B. Copeland]] and lived most of his professional career in [[Michigan]].
{{Infobox scientist
| name = Warren Herbert Wagner
| birth_date = August 29, 1920
| death_date = January 8, 2000
| other_names = Herb
| fields = Botany
| workplaces = [[University of Michigan]]
| alma_mater = [[University of California, Berkeley]]
| doctoral_advisor = [[Edwin Bingham Copeland]]
| author_abbrev_bot = W.H.Wagner
| spouse = [[Florence Signaigo Wagner]]
}}

⚫
'''Warren Herbert Wagner Jr.''' (August 29, 1920 – January 8, 2000) was an eminent American [[botanist]] who was trained at Berkeley with [[Edwin Bingham Copeland|E.B. Copeland]] and lived most of his professional career in [[Michigan]].


==History==
==History==
He was a longtime faculty member at the [[University of Michigan]] (Ann Arbor). Wagner was most respected among his colleagues and students for his genius in discerning and articulating the differences in form between plant species in the context of their variation with environmental factors.
Wagner was instructed in the ways of plant microphotograph and embryology by [[Marion S. Cave]].<ref>{{Cite journal |last1=Kaplan |first1=Donald R. |last2=Constance |first2=Lincoln |last3=Ornduff |first3=Robert |date=1997 |title=Marion Stilwell Cave (1904-1995) |url=https://www.jstor.org/stable/41426270 |journal=Madroño |volume=44 |issue=2 |pages=211–213 |jstor=41426270 |issn=0024-9637}}</ref><ref>{{Cite web |title=University of California: In Memoriam, 1996 |url=http://texts.cdlib.org/view?docId=hb0z09n6nn&doc.view=frames&chunk.id=div00015&toc.depth=1&toc.id= |access-date=2022-11-22 |website=texts.cdlib.org}}</ref> Wagner was a longtime faculty member at the [[University of Michigan]]. He was most respected among his colleagues and students for his genius in discerning and articulating the differences in form between plant species in the context of their variation with environmental factors.


He developed, in the early 1960s, the first algorithm for discerning [[phylogenetic]] relationships among species based upon their respective character states observed over a set of characters. This work was honored by [[James Farris]] and [[Arnold Kluge]] in their later appellation of related algorithms as "Wagner [[maximum parsimony|parsimony]]."
He developed, in the early 1960s, the first algorithm for discerning [[phylogenetic]] relationships among species based upon their respective character states observed over a set of characters. This work was honored by [[James Farris (scientist)|James Farris]] and [[Arnold Kluge]] in their later appellation of related algorithms as "Wagner [[maximum parsimony|parsimony]]."


Wagner became a [[pteridologist]] later in life, specializing in [[fern]]s, especially the [[Botrychiaceae]]. Having served in the U.S. Military in the Pacific Theater in World War II, he maintained a lifelong interest in the diversity and origin of the ferns of Hawaii. Working with his wife Florence Wagner, an accomplished [[cytologist]], he resolved the relationships of an array of polyploid complexes in North American ferns, first the Appalachian trio of ''[[Asplenium]]'' species, then in ''[[Dryopteris]]'' and ''[[Polystichum]]''.
Wagner became a [[pteridologist]] later in life, specializing in [[fern]]s, especially the [[Botrychiaceae]]. Having served in the U.S. Military in the Pacific Theater in World War II, he maintained a lifelong interest in the diversity and origin of the ferns of Hawaii. Working with his wife [[Florence Signaigo Wagner]], an accomplished [[cytologist]], he resolved the relationships of an array of polyploid complexes in North American ferns, first the Appalachian trio of ''[[Asplenium]]'' species, then in ''[[Dryopteris]]'' and ''[[Polystichum]]''.


He was President of the [[Botanical Society of America]] in 1977. He was elected to the [[United States National Academy of Sciences]] in 1985.
He was President of the [[Botanical Society of America]] in 1977. He was elected to the [[United States National Academy of Sciences]] in 1985.
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==External links==
==External links==
* [[University of Michigan Herbarium]] [http://herbarium.lsa.umich.edu website]
* [[University of Michigan Herbarium]] [http://herbarium.lsa.umich.edu website]
* [https://mbgna.umich.edu/matthaei-botanical-gardens/gardens/great-lakes-gardens/warren-h-wagner-fern-collection/ Warren H. Wagner Fern Collection – Great Lakes Gardens at Matthaei Botanical Gardens]
* [http://www.nap.edu/readingroom.php?book=biomems&page=wwagner.html National Academy of Sciences.edu: Biography of Warren H. Wagner]
* [http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/wagner-warren-h-jr.pdf Donald R. Farrar, "Warren H. Wagner, Jr.", Biographical Memoirs of the National Academy of Sciences (2003)]


{{Presidents of the Botanical Society of America|state=collapsed}}
{{Presidents of the Botanical Society of America|state=collapsed}}
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[[Category:20th-century American botanists]]
[[Category:20th-century American botanists]]
[[Category:Members of the United States National Academy of Sciences]]
[[Category:Members of the United States National Academy of Sciences]]
[[Category:American military personnel of World War II]]




Revision as of 00:54, 13 March 2024

Warren Herbert Wagner
BornAugust 29, 1920
DiedJanuary 8, 2000
Other namesHerb
Alma materUniversity of California, Berkeley
SpouseFlorence Signaigo Wagner
Scientific career
FieldsBotany
InstitutionsUniversity of Michigan
Doctoral advisorEdwin Bingham Copeland
Author abbrev. (botany)W.H.Wagner

Warren Herbert Wagner Jr. (August 29, 1920 – January 8, 2000) was an eminent American botanist who was trained at Berkeley with E.B. Copeland and lived most of his professional career in Michigan.

History

Wagner was instructed in the ways of plant microphotograph and embryology by Marion S. Cave.[1][2] Wagner was a longtime faculty member at the University of Michigan. He was most respected among his colleagues and students for his genius in discerning and articulating the differences in form between plant species in the context of their variation with environmental factors.

He developed, in the early 1960s, the first algorithm for discerning phylogenetic relationships among species based upon their respective character states observed over a set of characters. This work was honored by James Farris and Arnold Kluge in their later appellation of related algorithms as "Wagner parsimony."

Wagner became a pteridologist later in life, specializing in ferns, especially the Botrychiaceae. Having served in the U.S. Military in the Pacific Theater in World War II, he maintained a lifelong interest in the diversity and origin of the ferns of Hawaii. Working with his wife Florence Signaigo Wagner, an accomplished cytologist, he resolved the relationships of an array of polyploid complexes in North American ferns, first the Appalachian trio of Asplenium species, then in Dryopteris and Polystichum.

He was President of the Botanical Society of America in 1977. He was elected to the United States National Academy of Sciences in 1985.

Apparently among modern phylogenetic systematists, Wagner is alone in having been mentioned in a Hollywood film − A New Leaf, starring Elaine May and Walter Matthau.

Taxonomist

The standard author abbreviation W.H.Wagner is used to indicate this person as the author when citing a botanical name.[3]

Note: not to be confused with the American botanist Warren L. Wagner (b.1950) [4]

References

  1. ^ Kaplan, Donald R.; Constance, Lincoln; Ornduff, Robert (1997). "Marion Stilwell Cave (1904-1995)". Madroño. 44 (2): 211–213. ISSN 0024-9637. JSTOR 41426270.
  2. ^ "University of California: In Memoriam, 1996". texts.cdlib.org. Retrieved 2022-11-22.
  3. ^ International Plant Names Index.  W.H.Wagner.
  4. ^ Botany.si.edu: Warren L. Wagner (1950- )

External links


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