APPENDIX C. COMMON AND SCIENTIFIC NAMES OF CROPS Common names Scientific names alfalfa Medicago sativa asparagus Asparagus officinalis barley Hordeum vulgare corn Zea mays dry edible beans Phaseolus spp. hicksii yew Taxus x media onion Allium cepa pacific yew Taxus brevifolia poplar trees, hybrid Populus deltoides x P. nigra potato Solanum tuberosum soybeans Glycine max spearmint, peppermint Mentha sp. squash, honey boat Cucurbita maxima sugar beet Beta vulgaris supersweet corn Zea mays sweet corn Zea mays triticale Triticum x Secale wheat Triticum aestivum

APPENDIX D. COMMON AND SCIENTIFIC NAMES OF WEEDS Common names Scientific names annual sowthistle Sonchus oleraceus common groundsel Senecio vulgaris common lambsquarters Chenopodium album common mallow Malva neglecta downy brome Bromus tectorum green foxtail Setaria viridis redroot pigweed Amaranthus retroflexus barnyardgrass Echinochloa crus-galli kochia Kochia scoparia hairy nightshade Solanum sarrachoides hoary cress Cardaria draba medusahead rye Taeniatherum caput-medusae

1 APPENDIX D. COMMON AND SCIENTIFIC NAMES OF WEEDS (continued) Common names Scientific names perennial ryegrass Lolium multiflorum puncturevine Tribulus terrestris quackgrass Elytrigia repens Russian thistle Salsola iberica shepherdspurse Capsella bursa-pastoris wild oat Avena fatua yellow nutsedge Cyperus esculentus

APPENDIX E. COMMON AND SCIENTIFIC NAMES OF PESTS Common names Scientific names Diseases onion black mold Aspergillus niger onion neck rot, (gray mold) Botrytis allii onion plate rot Fusarium oxysporum onion translucent scale potato late blight Phytophthora infestans

Insects cereal leaf beetle Oulema melanopus lygus bug Lygus hesperus onion maggot Delia antiqua onion thrips Thrips tabaci pea aphid Acyrthosiphon pisum seed corn maggot Delia platura sugar beet root maggot Tetanops myopaeformis willow sharpshooter Graphocephala confluens (Uhler)

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