Authors: Oberhauser, KS Prysby, MD Mattila, HR Stanley-Horn, DE Sears, MK Dively, G Olson, E Pleasants, JM Lam, WKF Hellmich, RL

Citation: Ks. Oberhauser et al., Temporal and spatial overlap between monarch larvae and corn pollen, P NAS US, 98(21), 2001, pp. 11913-11918

Authors: Pleasants, JM Hellmich, RL Dively, GP Sears, MK Stanley-Horn, DE Mattila, HR Foster, JE Clark, P Jones, GD

Citation: Jm. Pleasants et al., Corn pollen deposition on milkweeds in and near cornfields, P NAS US, 98(21), 2001, pp. 11919-11924

Authors: Hellmich, RL Siegfried, BD Sears, MK Stanley-Horn, DE Daniels, MJ Mattila, HR Spencer, T Bidne, KG Lewis, LC

Citation: Rl. Hellmich et al., Monarch larvae sensitivity to Bacillus thuringiensis-purified proteins andpollen, P NAS US, 98(21), 2001, pp. 11925-11930

Authors: Stanley-Horn, DE Dively, GP Hellmich, RL Mattila, HR Sears, MK Rose, R Jesse, LCH Losey, JE Obrycki, JJ Lewis, L

Citation: De. Stanley-horn et al., Assessing the impact of Cry1Ab-expressing corn pollen on monarch butterflylarvae in field studies, P NAS US, 98(21), 2001, pp. 11931-11936

Authors: Sears, MK Hellmich, RL Stanley-Horn, DE Oberhauser, KS Pleasants, JM Mattila, HR Siegfried, BD Dively, GP

Citation: Mk. Sears et al., Impact of Bt corn pollen on monarch butterfly populations: A risk assessment, P NAS US, 98(21), 2001, pp. 11937-11942