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cypress spurge biological control


9 Images
0886040
Richard A. Casagrande
University of Rhode Island

in bloom

0886041
Richard A. Casagrande
University of Rhode Island

close up of fruiting structure

0886042
Richard A. Casagrande
University of Rhode Island

0886043
Richard A. Casagrande
University of Rhode Island

0886044
Richard A. Casagrande
University of Rhode Island

0886045
Heather Faubert
University of Rhode Island

gall

0886046
Heather Faubert
University of Rhode Island

0886047
Heather Faubert
University of Rhode Island

"Windmill" release site; note yellow flowers (before release) at Watson Farm

0886048
Heather Faubert
University of Rhode Island

"Windmill" release site; note scarcity of yellow flowers (four years later) at Watson Farm