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Image Subject Name Scientific Name Description
5487880 quince rust Gymnosporangium clavipes Cankered branch with rust spoulation
5487879 quince rust Gymnosporangium clavipes rust sporulation
5487878 quince rust Gymnosporangium clavipes Spindle-shaped swellings on branch
5411481 quince rust Gymnosporangium clavipes
5411482 quince rust Gymnosporangium clavipes
5411480 quince rust Gymnosporangium clavipes
5440234 witches' broom Witches broom caused by the fungus Apiosporina collinsii
2652009 spruce broom rust Chrysomyxa arctostaphyli on white spruce in interior Alaska
0805069 spruce broom rust Chrysomyxa arctostaphyli
1241503 fir broom rust Melampsorella caryophyllacearum Fir broom rust stimulates yellow-tinged witches brooms in fir branches.
4215071 spruce broom rust Chrysomyxa arctostaphyli on spruce
1467288 fir broom rust Melampsorella caryophyllacearum
1467289 fir broom rust Melampsorella caryophyllacearum close up of large broom
4215070 fir broom rust Melampsorella caryophyllacearum broom
1467284 incense cedar broom rust Gymnosporangium libocedri
1388036 fir broom rust Melampsorella caryophyllacearum Cloquet Forestry Center, Univ. of MN
1467285 incense cedar broom rust Gymnosporangium libocedri
0805070 spruce broom rust Chrysomyxa arctostaphyli
1406134 spruce broom rust Chrysomyxa arctostaphyli Fraser Experimental Forest
1406012 spruce needle rusts Chrysomyxa spp.
1406011 spruce needle rusts Chrysomyxa spp.
5430707 witches' broom
5430706 witches' broom
5430498 quince rust Gymnosporangium clavipes Telial stage of cedar-quince rust on eastern redcedar.
5047032 witches' broom A rare witches' broom in red pine
5037064 spruce broom rust Chrysomyxa arctostaphyli Large witches' broom in white spruce.
5395251 fir broom rust Melampsorella caryophyllacearum
1467290 fir broom rust Melampsorella caryophyllacearum small broom
1467118 fir broom rust Melampsorella caryophyllacearum
5411369 quince rust Gymnosporangium clavipes aecia with orange aeciaspores on fruit
5411370 quince rust Gymnosporangium clavipes diseased fruit on hawthorn
5411367 quince rust Gymnosporangium clavipes diseased fruit
5036062 spruce broom rust Chrysomyxa arctostaphyli Large broom on white spruce
5408102 fir broom rust Melampsorella caryophyllacearum
5387792 incense cedar broom rust Gymnosporangium libocedri telial cushions on foliage; 06/05/2008
5034070 spruce broom rust Chrysomyxa arctostaphyli Spruce broom rust on white spruce, adjacent to a tree with a severe lightning injury
5382185 witches' broom
5382174 witches' broom Multiple witches’ brooms along trunk.  Photograph taken  July 17, 2008  
5335055 quince rust Gymnosporangium clavipes
5335056 quince rust Gymnosporangium clavipes
5335057 quince rust Gymnosporangium clavipes
5335058 quince rust Gymnosporangium clavipes
5337044 quince rust Gymnosporangium clavipes
5033012 fir broom rust Melampsorella caryophyllacearum Balsam fir broom rust broom
1263078 spruce broom rust Chrysomyxa arctostaphyli Mature broom on spruce
5033010 fir broom rust Melampsorella caryophyllacearum Balsam fir broom rust broom
5033011 fir broom rust Melampsorella caryophyllacearum Balsam fir broom rust broom
5033013 fir broom rust Melampsorella caryophyllacearum Balsam fir broom rust broom
5356890 witches' broom Jujube tree with witches' brooms, caused by infection with a phytoplasma.
5356889 witches' broom Jujube tree with witches' brooms, caused by infection with a phytoplasma.
5356888 witches' broom Jujube tree with witches' brooms, caused by infection with a phytoplasma.
5366977 fir broom rust Melampsorella caryophyllacearum Fir tree showing characteristic symptoms of fir broom rust (Melampsorella caryophyllacearum).
5366976 spruce broom rust Chrysomyxa arctostaphyli Spruce tree showing symptoms of spruce broom rust, Chrysomyxa arctostaphyli.
5366975 spruce broom rust Chrysomyxa arctostaphyli Spruce trees exhibiting symptoms of spruce broom rust, Chrysomyxa arctostaphyli.
1473061 spruce broom rust Chrysomyxa arctostaphyli broom
1473062 fir broom rust Melampsorella caryophyllacearum trunk canker has killed tree
1496209 quince rust Gymnosporangium clavipes Quince rust on apple
3035055 spruce needle rusts Chrysomyxa spp.
1467294 fir broom rust Melampsorella caryophyllacearum alternate host
1241502 spruce broom rust Chrysomyxa arctostaphyli
1442056 fir broom rust Melampsorella caryophyllacearum
4823040 quince rust Gymnosporangium clavipes
4823042 juniper witches' broom rust Gymnosporangium nidus avis Swelling and telia sporulation on infected branch.
0805068 spruce broom rust Chrysomyxa arctostaphyli on spruce

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