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1 0 spiny cocklebur

spiny cocklebur

by StavrosApostolouGreece

0 0 Bathurst Burr

Bathurst Burr

by KilouekaAvalon, California, USA

From Wikipedia: "Xanthium

0 0 Cocklebur

Cocklebur

by WilsonsNashville-Davidson, Tennessee, USA

spirally arranged, with a deeply toothed margin. Some species, notably X. ...

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