Jayne V. Armstrong is a British botanist who challenged the two-species taxonomy of British elms proposed by fellow Cambridge

University of Cambridge

The University of Cambridge is a public research university located in Cambridge, United Kingdom. It is the second-oldest university in both the United Kingdom and the English-speaking world , and the seventh-oldest globally...

 alumnus

Alumnus

An alumnus , according to the American Heritage Dictionary, is "a graduate of a school, college, or university." An alumnus can also be a former member, employee, contributor or inmate as well as a former student. In addition, an alumna is "a female graduate or former student of a school, college,...

 Richard Hook Richens

Richard Hook Richens

Richard Hook Richens was a former Director of the Commonwealth Bureau of Plant Breeding and Genetics at Cambridge University, and became best known for his studies of elm...

 in 1984. Armstrong in her Ph.D thesis proposed a classification featuring 40 species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

, subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 and microspecies. An introduction to her work was later published in the Botanical Journal of the Linnean Society

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, morphogenesis, palaeobotany, palynology and...

as part of a series which was not forthcoming.

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.

External links