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First record of Glycaspis brimblecombei (Moore) (Homoptera: Psyllidae) in North America: initial observations and predator associations of a potentially serious new pest of eucalyptus in California

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By: Brennan, Eric B - Gill, Raymond J - Hrusa, G Frederic - Weinbaum, Steven A

Type: Article

In: The Pan-Pacific entomologist

Volume: 75

Issue: 1

Date: 1999

Page Range: 55--57

Publication Info: San Francisco, Pacific Coast Entomological Society,
GENOTYPE DIVERSITY OF SALSOLA TRAGUS AND POTENTIAL ORIGINS OF A PREVIOUSLY UNIDENTIFIED INVASIVE SALSOLA FROM CALIFORNIA AND ARIZONA

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By: Gaskin, John F - Ryan, Frederick J - Hrusa, G Frederic - Londo, Jason P

Type: Article

In: Madroño; a West American journal of botany

Volume: 53

Date: 2006

Page Range: 244--251

Publication Info: Berkeley, California Botanical Society,
THE NORTH COAST BIODIVERSITY ARENA IN CENTRAL CALIFORNIA: A NEW SCENARIO FOR RESEARCH AND TEACHING PROCESSES OF EVOLUTION

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By: Stebbins, G Ledyard, (George Ledyard), Jr., - Hrusa, G Frederic

Type: Article

In: Madroño; a West American journal of botany

Volume: 42

Date: 1995

Page Range: 269--294

Publication Info: Berkeley, California Botanical Society,