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Text 
Hydrilla
HYDRILLA
Scientific name: Hydrilla verticillata
Photos: Alison Fox; USDA APHIS PPQ, & Chris Evans, University of Georgia, www.forestryimages.com
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Colorado Department of
Agriculture ·
700 Kipling Street ·
Suite 4000 ·
Lakewood, CO 80215-8000 ·(303) 239-4100