Rudéral definitions

ruderal

growing in wasteland or among rubbish
Found on http://phrontistery.info/r.html

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Ruderal

growing in disturbed habitats, weedy
Found on http://www.calflora.net/botanicalnames/botanicalterms.html

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ruderal

<botany> Weedy vegetation growing on compacted, plowed, or otherwise distrubed ground and showing a preference for this type of habitat. ... (17 Dec 1997) ...
Found on http://www.encyclo.co.uk/local/20973

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Ruderal

growing in disturbed habitats, weedy
Found on http://www.encyclo.co.uk/local/21767

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