Species
Puccinia embergeriae
Common Name(s)
Chatham Island sow thistle rust
Qualifiers
2009 - ST, OL
Authority
McKenzie & P.R.Johnst.
Family
Pucciniaceae, Basidiomycetes
Flora Category
Fungi - Native
Distribution
This rust is known only in the Chatham Islands, and has been collected only at Kaingaroa, although it may occur on Embergeria growing elsewhere in the Chathams.
Fruiting
There are three collections of this rust held in the New Zealand Fungal Herbarium, collected in November 1992 and April 1993.
Threats
Embergeria grandifolia is a threatened plant, and is listed as a nationally endangered species in de Lange et al. (2004) Puccinia embergeriae, which is an obligate parasite, probably co-exists with its host plant. However, it is also a threatened species, absolutely dependant on its host for survival.
Substrate
This rust is an obligate parasite on leaves of Embergeria grandifolia.
Where Held
PDD (holotype)
Extant Collections
1
This page last updated on 18 Jan 2010