Botanic Gardens Trust, Sydney, Australia

John Thomson

Name
John A. Thomson MSc, MAgrSc, PhD(Melb)

Position

  • Honorary Research Associate
  • Professor Emeritus, Unversity of Sydney

Email
pteridium@bigpond.com

Phone
(02) 9876 4339

Fax
(02) 9251 7231

Role
Research Scientist

Research interests
Biogeography, phylogeny and taxonomy of bracken ferns using morphometrics and molecular criteria (sequencing of specific nuclear and chloroplast genes); bracken/insect interactions; secondary chemicals of bracken including carcinogens and allelopathic agents.

Keywords
ferns, molecular systematics, biogeography, phylogeny

Current research projects

Genetic architecture and ancestral relationships of the bracken fern genus, Pteridium; biogeographic history of bracken in the Galapagos Islands

Key publications

  • Der JP, Thomson JA, Stratford JK & Wolf PG (2009) Global chloroplast phylogeny and biogeography of bracken (Pteridium: Dennstaedtiaceae). American Journal of Botany 96: 1041-1049.
  • Thomson JA (2004)Towards a taxonomic revision of Pteridium (Dennstaedtiaceae). Telopea 10: 793-803.
  • Thomson JA (2008)  Morphotype and conflicting taxonomies in Pteridium (Dennstaedtiaceae: Pteridophyta). Fern Gazette 18: 101-109.
  • Thomson JA (2012) Taxonomic status of diploid southern hemisphere brackens (Pteridium: Dennstaedtiaceae). Telopea 14: 43-48.
  • Thomson JA & Alonso-Amelot ME (2002) Clarification of the taxonomic status and relationships of Pteridium caudatum (Dennstaedtiaceae) in Central and South America. Botanical Journal of the Linnean Society 140: 237-248.
  • Thomson JA, Chikuni AC & McMaster CS (2005) The taxonomic status and relationships of bracken ferns (Pteridium: Dennstaedtiaceae) from sub-Saharan Africa. Botanical Journal of the Linnean Society 148:311-321.
  • Thomson JA & Martin AB (1996) Gnarled trichomes: an understudied character in Pteridium. American Fern Journal 86: 36-51.
  • Thomson JA, Mickel JT & Mehltreter K (2008) Taxonomic status and relationships of bracken ferns (Pteridium: Dennstaedtiaceae) of Laurasian affinity in Central and North America. Botanical Journal of the Linnean Society 157: 1-17.
John-Thomson-Nov-2007