William M. Ciesla's Images
Title: OwnerOrganization: Forest Health Management International
Unit: Fort Collins, CO.
Country: United States
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Bill Ciesla is a forest health specialist and owner of Forest Health Management International, a consulting company based in Fort Collins, CO. Bill received his undergraduate and graduate degrees in forestry and forest entomology from the State University of New York, College of Environmental Science and Forestry at Syracuse University, Syracuse, NY. He has held assignments with USDA Forest Service as a forest entomologist and forest health program manager in Asheville, NC, Pineville, LA, Missoula, MT, Davis, CA, Fort Collins, CO and Portland, OR. From 1990 to 1995, he served as Forest Protection Officer for the Food and Agriculture Organization in Rome, Italy. His areas of interest include biology and management of forest insects and diseases and the use of remote sensing for forest damage assessment Bill is an avid photographer, specializing in close ups of insects and wildflowers and of forest damage. |
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Cactus(X)
| 19 Images of 11 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 2167052 | plains pricklypear | Opuntia polyacantha | |
| 2167053 | plains pricklypear | Opuntia polyacantha | |
| 5176052 | prickly pear | Opuntia wentiana | December 2006 |
| 5176053 | prickly pear | Opuntia wentiana | Flower and paddles,December 2006 |
| 5176063 | candle cactus | Pilosocereus lanuginosus | Closeup of plant, Bonaire, December 2006 |
| 5176064 | candle cactus | Pilosocereus lanuginosus | Plant, Bonaire, December 2006 |
| 5176069 | giant club cactus | Cereus repandus | Plant and habitat, Bonaire, December 2006 |
| 5176070 | giant club cactus | Cereus repandus | Plant and habitat, Bonaire, December 2006 |
| 5346068 | walkingstick cholla | Opuntia imbricata | Blossom, Phantom Canyon near Florence, CO, July 2007 |
| 5346069 | walkingstick cholla | Opuntia imbricata | Blossom, Phantom Canyon near Florence, CO, July 2007 |
| 5176066 | candle cactus | Stenocereus griseus | |
| 5176067 | candle cactus | Stenocereus griseus | Stem and fruit, Bonaire |
| 5176027 | melocactus | Melocactus spp. | |
| 5176028 | melocactus | Melocactus spp. | |
| 2167051 | pricklypear/cholla | Opuntia spp. | |
| 2134039 | California barrel cactus | Ferocactus cylindraceus var. cylindraceus | Baja California Sur, Mexico |
| 2134045 | organ pipe cactus | Stenocereus thurberi | Baja California Sur, Mexico |
| 2134050 | Cardón cactus | Pachycereus pringlei | Baja California Sur, Mexico |
| 2134051 | Cardón cactus | Pachycereus pringlei | Baja California Sur, Mexico |
