Banksia ionthocarpa subsp. ionthocarpa, Interim Recovery Plan 2008-13: WA Interim recovery plan no. 208
Western Australian Department of Environment and Conservation
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- Banksia ionthocarpa subsp. ionthocarpa, Interim Recovery Plan 2008-2013. Interim Recovery Plan No. 208 (PDF - 138 KB) | (Word - 657 KB)
Summary
Banksia ionthocarpa subsp. ionthocarpa was declared as Rare Flora in July 1989 under the Western Australian Wildlife Conservation Act 1950 (as Dryandra ionthocarpa). The subspecies is ranked as Endangered against World Conservation Union Red List Criteria B1ab(v) and B2ab(v) (IUCN 2001) due to a decline in the number of mature individuals, a single known population and the limited area of occupancy and extent of occurrence. The species, Banskia ionthocarpa is listed as Endangered under the Commonwealth Environment and Biodiversity Protection Act 1999 and both subspecies are covered by this listing.
One natural population consisting of two subpopulations totalling 945 plants over less than five hectares is currently known. A translocated population supports another 612 individuals. In 1999 a new population of this species was located near Narrogin some hundreds of kilometres north of previously known populations and in 2004 the species was divided into two subspecies - Banksia. ionthocarpa subsp. ionthocarpa (Kamballup) and B. ionthocarpa subsp. chrysophoenix (Narrogin). Plants in the Narrogin population resprout from a lignotuber, in contrast to the Kamballup plants that are non-lignotuberous.
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