Introduced plants and nurseries

To: "Chris Sanderson" <>, "Dave Torr" <>
Subject: Introduced plants and nurseries
From: "Greg & Val Clancy" <>
Date: Sat, 22 Dec 2007 21:18:36 +1100
Following on from the comments on introductions emanating from the Magpie Pica pica thread I wanted to comment on Chris Sanderson's email. Having just finished two days and nights of fieldwork at Yamba, north coast NSW I can't but agree with Chris' inclusion of 'any local nursery' as a threat to biodiversity (and bird habitat). A wonderful remnant of bushland which had a very rare threatened plant and two threatened mammal and one threatened bird species was infested with weeds. These included Umbrella Tree (a native of North Queensland), Lantana, Evening Jesamine (Murraya), Winter Senna (Cassia), Purple Morning Glory, Mickey Mouse Plant (Ochna serrulata) etc, etc. as well as the usual annual herbs and introduced grasses. The introduction of any foreign plant into this country needs to be considered very carefully (and then banned!!) and nurseries should be prohibited from selling potential weeds (which includes nearly every introduced species and many non-local natives). Just because a plant isn't a pest now doesn't mean that it won't be in 10 years time. There are 'sleeper' plants out there waiting to explode into the natural environment. For those who want more details read Tim Lowe's 'Feral Future'.

Greg Clancy

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