Jayne Vanessa Armstrong (

fl. ''Floruit'' ( ; usually abbreviated fl. or occasionally flor.; from Latin for 'flourished') denotes a date or period during which a person was known to have been alive or active. In English, the unabbreviated word may also be used as a noun indic ...

1996) is a British

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

who challenged the two-species taxonomy of British

elms The European Le Mans Series (abbreviated as ELMS) is a European sports car racing endurance series inspired by the 24 Hours of Le Mans race and organized by the Automobile Club de l'Ouest (ACO). The European Le Mans Series is similar to the fo ...

proposed by fellow

Cambridge Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...

alumnus Alumni (: alumnus () or alumna ()) are former students or graduates of a school, college, or university. The feminine plural alumnae is sometimes used for groups of women, and alums (: alum) or alumns (: alumn) as gender-neutral alternatives. Th ...

Richard Hook Richens in 1984.Richens, R. H. (1984). ''Elm''. Cambridge University Press. Armstrong in her Ph.D. thesis proposed a classification featuring 40

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

and

microspecies In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each ot ...

. An introduction to her work was later published in the

Botanical Journal of the Linnean Society The ''Botanical Journal of the Linnean Society'' is a scientific journal publishing original papers relating to the taxonomy of all plant groups and fungi, including anatomy, biosystematics, cytology, ecology, ethnobotany, electron microscopy, ...

Armstrong, J. V. & Sell, P. D. (1996). A revision of the British elms (Ulmus L., Ulmaceae): the historical background. ''Bot. J. Linn. Soc.'' 120: 39-50. as part of a series which was not forthcoming. However, her classification formed the basis of that adopted by Sell and Murrell in their ''Flora of Great Britain and Ireland'', published in 2018.Sell, P. & Murrell, G. (2018). ''Flora of Great Britain and Ireland''. Volume 1. Lycopodiaceae – Salicaceae. Cambridge, UK: Cambridge University Press.

Publications

* Armstrong, J. V. & Sell, P. D. (1996). A revision of the British elms (Ulmus L., Ulmaceae): the historical background. ''Bot. J. Linn. Soc''. 120: 39–50. * Armstrong, J, Gibbs, J, Webber, J, and Brasier, C. 1997. Elm Workshop Proceedings. ''Elm Newsletter No. 1.'' April 1997. The Conservation Foundation.

References

Living people British women botanists 21st-century British botanists 21st-century British women scientists Place of birth missing (living people) 1996 births {{UK-botanist-stub