Red Snakebush (Hemiandra gardneri) interim recovery plan 2004-2009
Interim recovery plan no. 183
Gillian Stack and Gina Broun
Department of Conservation and Land Management, Western Australia, September 2004
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About the plan
Hemiandra gardneri was first collected from the Watheroo area in 1926 by C.A. Gardner, and was described by O.H. Sargent in 1927.
In 1981 the species was known from two populations, south of Gunyidi and north of Watheroo (Millar 1982). Comprehensive surveys for the species were conducted in November and December 1981 by M.A. Burgman, and resulted in four new areas being located north of Watheroo, with a total of 2206 plants being recorded. The location of herbarium specimens suggests that this species was far more widespread before much of the land in its range was cleared for agriculture. Historically, collections have been made from Wubin (1959), Marchagee (1966), and near Jurien Bay (1978), but these populations have not been relocated recently (CALM 2003 onwards).
An Interim Recovery Plan (IRP) was developed for the species in 1996 (Holland et al. 1996). Information collected since that plan was completed has been incorporated into this plan and this document now replaces Holland et al. (1996).
There are currently seven populations known from the Watheroo, Coorow and Jurien Bay areas. Most of these occur on narrow linear areas of remnant vegetation, and none occur on secure tenure. Plant numbers are in decline, from approximately 2,200 in 1982 to approximately 840 in 1999, and with potentially greater decline since as a result of several consecutive dry years.
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