Hostname: page-component-5db58dd55d-htx7c Total loading time: 0 Render date: 2026-07-08T04:37:32.641Z Has data issue: false hasContentIssue false

A Numerical Taxonomic Study of Fucus Distichus (Phaeophyta)

Published online by Cambridge University Press:  11 May 2009

E. L. Rice
Affiliation:
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1
A. R. O. Chapman
Affiliation:
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1

Extract

The genus Fucus L. is widely distributed through the cool temperate waters of the north Atlantic and north Pacific oceans. The very large number of sub-generic taxa (> 100) previously recognized was reduced by Powell (1963) to only 6 species. In his revision, Powell recognized F. distichus L. emend. Powell as the most variable of these. He classified the intra-specific variation in this species into 4 sub-species: F. distichus distichus, F. distichus anceps (Harv. et Ward ex. Carruthers) Powell, F. distichus evanescens (C.Ag) Powell and F. distichus edentatus (Pyl.) Powell. Because of reports that intermediate forms existed in Iceland (Jonsson, 1903) and the Faeröes (Börgesen, 1902), Powell (1957 a,b) decided to use sub-specific status rather than specific designation for these 4 taxa. However, within North America the 4 sub-species of F. distichus were often assigned specific rank (e.g. Taylor, 1957).

Information

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1985

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable