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| University of Florida. | Mealybugs. | http:/ / www.mrec.ifas.ufl.edu/ lso/ Mealybugs.htm |
| University of Florida. | Insect and related pests of foliage plants. | http:/ / www.mrec.ifas.ufl.edu/ lso/ index.htm |
| University of Kentucky IPM. | Picture sheets have been developed to help identify insects, weeds, or diseases in fields or orchards. | http:/ / www.uky.edu/ Ag/ IPM/ picturesheets/ picturesheets.htm |
| WSU. | Disease photo gallery. | http:/ / mtvernon.wsu.edu/ path_team/ diseasegallery.htm |
| Yamasaki Lab. | Annonaceae. | http:/ / www.pharmakobotanik.de/ gallery/ gal-anno.htm |
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