16 results for Helen E Roy
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$3.52off
A Natural History of Ladybird B...
Hardback
Published 24 Nov 2016Save $3.52
RRP $71.89- $68.37
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$5.16off
Field Guide to the Ladybirds of...
Paperback
Published 29 Nov 2018Save $5.16
RRP $34.67- $29.51
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$1.64off
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Provisional Atlas of the Aculea...
Paperback
Published 14 Oct 2016 -
Field Guide to Invasive Plants ...
Paperback
Published 12 Mar 2015 -
Field Guide to the Ladybirds of...
Hardback
Published 29 Nov 2018 -
Provisional Atlas of the Aculea...
Paperback
Published 01 Jan 2009 -
Provisional Atlas of the Aculea...
Paperback
Published 01 Jan 2012 -
The Ladybirds (Coccinellidae) o...
Paperback
Published 01 Jan 2011 -
Guide to Citizen Science
Paperback
Published 01 Jan 2012 -
The Ecology of Fungal Entomopat...
Hardback
Published 11 Mar 2010 -
Invasive Alien Arthropod Predat...
Hardback
Published 27 Oct 2011 -
The Ecology of Fungal Entomopat...
Paperback
Published 28 Sep 2014 -
Guide to the Ladybird Larvae of...
Pamphlet / Lea...
Published 31 Aug 2012