John W. Schwandt

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John W. Schwandt
USDA Forest Service

John W. Schwandt has contributed 25 photos to this site.

Other images are on display at http://www.ForestryImages.org.

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<ul> <li><a href="http://www.zipcodezoo.com/Photos/Chrysomyxa_arctostaphyli_0.jpg">Chrysomyxa arctostaphyli Chrysomyxa arctostaphyli on spruce</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 156427</li> <li><a href="http://www.zipcodezoo.com/Photos/Laricifomes_officinalis_2.jpg">Chrysomyxa arctostaphyli Laricifomes officinalis Close-up of conk showing the pore layer on the underside.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180426</li> <li><a href="http://www.zipcodezoo.com/Photos/Contarinia_pseudotsugae_5.jpg">Chrysomyxa arctostaphyli Contarinia pseudotsugae Needles infested with Douglas-fir needle midge have swellings or galls which are discolored yellow.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180405</li> <li><a href="http://www.zipcodezoo.com/Photos/Meria_laricis_8.jpg">Chrysomyxa arctostaphyli Meria laricis Larch needle cast causes yellow spots which become red-brown, begins infecting emerging needles in the spring, and can continue to reinfect as long as rainfall creates suitable conditions.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180393</li> <li><a href="http://www.zipcodezoo.com/Photos/Lophodermium_nitens_4.jpg">Chrysomyxa arctostaphyli Lophodermium nitens Lophodermium nitens has caused severe defoliation in this western white pine.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180365</li> <li><a href="http://www.zipcodezoo.com/Photos/Endocronartium_harknessii_21.jpg">Chrysomyxa arctostaphyli Endocronartium harknessii Branch flagging in crown caused by western gall rust.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180294</li> <li><a href="http://www.zipcodezoo.com/Photos/Cronartium_ribicola_146.jpg">Chrysomyxa arctostaphyli Cronartium ribicola Rust sporulating on the bole of an infected tree.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180303</li> <li><a href="http://www.zipcodezoo.com/Photos/Fomitopsis_pinicola_20.jpg">Chrysomyxa arctostaphyli Fomitopsis pinicola Red belt fungus conks has a distinctive red band along the perimeter when mature and fresh but are often seen in the immature stage.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180428</li> <li><a href="http://www.zipcodezoo.com/Photos/Elytroderma_deformans_15.jpg">Chrysomyxa arctostaphyli Elytroderma deformans Cambium of infected branches has small pockets of dark resin.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180464</li> <li><a href="http://www.zipcodezoo.com/Photos/Heterobasidion_annosum_99.jpg">Chrysomyxa arctostaphyli Heterobasidion annosum Advanced decay has irregular white pockets and black fleck. It is soemwhat laminate at the beginning but eventually becomes stringy and spongy.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180335</li> <li><a href="http://www.zipcodezoo.com/Photos/Echinodontium_tinctorium_8.jpg">Chrysomyxa arctostaphyli Echinodontium tinctorium Indian paint fungus decay is yellow to brown and slightly stringy in the early stages. Concentric rings of lighter and darker heartwood are seen in cross section. In late stages the decay is somewhat laminate and distinctly stringy.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180424</li> <li><a href="http://www.zipcodezoo.com/Photos/Laricifomes_officinalis_3.jpg">Chrysomyxa arctostaphyli Laricifomes officinalis Typical quinine conk fruiting high on the stem of a tree.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180427</li> <li><a href="http://www.zipcodezoo.com/Photos/Armillaria_ostoyae_19.jpg">Chrysomyxa arctostaphyli Armillaria ostoyae Mushrooms of Armillaria can be produced in abundance, but are not reliably present.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180342</li> <li><a href="http://www.zipcodezoo.com/Photos/Arceuthobium_americanum_23.jpg">Chrysomyxa arctostaphyli Arceuthobium americanum Plant(s)</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180475</li> <li><a href="http://www.zipcodezoo.com/Photos/Phellinus_weirii_11.jpg">Chrysomyxa arctostaphyli Phellinus weirii Laminated root rot separates easily at the annual rings and is pitted with tiny holes. Cinnamon brown mycelium and tiny hairlike hyphae are often found in the decay.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180329</li> <li><a href="http://www.zipcodezoo.com/Photos/Postia_sericeomollis_0.jpg">Chrysomyxa arctostaphyli Postia sericeomollis Cedar brown pocket rot occurs in isolated large pockets of brown cubical decay. Seen in cross section.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180431</li> <li><a href="http://www.zipcodezoo.com/Photos/Heterobasidion_annosum_104.jpg">Chrysomyxa arctostaphyli Heterobasidion annosum An useful sign of annosus root disease is an irregular pattern of staining in root and butt heartwood. In firs, the stain varies from dull gray, to reddish-purple.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180340</li> <li><a href="http://www.zipcodezoo.com/Photos/Heterobasidion_annosum_100.jpg">Chrysomyxa arctostaphyli Heterobasidion annosum Annosus root disease often is diagnosed by looking in hollows of nearby stumps where the conks are found. The lower surface has tiny pores and is cream colored.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180336</li> <li><a href="http://www.zipcodezoo.com/Photos/Sphaeropsis_sapinea_64.jpg">Chrysomyxa arctostaphyli Sphaeropsis sapinea Pycnidia on twig.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180459</li> <li><a href="http://www.zipcodezoo.com/Photos/Cronartium_ribicola_143.jpg">Chrysomyxa arctostaphyli Cronartium ribicola Branch flagging occurs after the canker has girdled the branch.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180300</li> <li><a href="http://www.zipcodezoo.com/Photos/Elytroderma_deformans_13.jpg">Chrysomyxa arctostaphyli Elytroderma deformans Fruiting bodies are black lines near the base of needles.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180462</li> <li><a href="http://www.zipcodezoo.com/Photos/Cryptoporus_volvatus_10.jpg">Chrysomyxa arctostaphyli Cryptoporus volvatus Conk cut away to show pore layer and air space inside.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180441</li> <li><a href="http://www.zipcodezoo.com/Photos/Cronartium_ribicola_144.jpg">Chrysomyxa arctostaphyli Cronartium ribicola Wetting branch cankers can make it easier to see the discoloration from a canker.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180301</li> <li><a href="http://www.zipcodezoo.com/Photos/Armillaria_ostoyae_20.jpg">Chrysomyxa arctostaphyli Armillaria ostoyae Mycelium fans of Armillaria are thick and leathery. The cambium often develops fan-shaped ridges which are discernible long after the fungus has died.</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180343</li> <li><a href="http://www.zipcodezoo.com/Photos/Arceuthobium_douglasii_22.jpg">Chrysomyxa arctostaphyli Arceuthobium douglasii Male</a> Photographer: <a href="/Photographers/John W. Schwandt.asp">John W. Schwandt</a> Location Taken: United States Copyright: (c) John W. Schwandt. Permissions for Use: see <a href="http://www.forestryimages.org/about/imageusage.cfm" onclick="return GB_showFullScreen(\'\', this.href)">www.ForestryImages.org</a>. ZipcodeZoo Photo ID: 180470</li> </ul>

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Last Revised: March 18, 2010

John W. Schwandt USDA Forest Service

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John W. Schwandt
USDA Forest Service