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W. Sorgen
W. Sorgen, ISA Ceritified Arborist
Category: Landscaping
Satisfied Customers: 151
Experience:  Bachelor's degree in forestry, and owner of a residential/commercial tree service.
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I have trees that have a mossy type growth that kills the

Customer Question

I have trees that have a mossy type growth that kills the limbs it is on and the tree. What is this and how do I get rid of it??
Submitted: 1 year ago.
Category: Landscaping
Expert:  Martin replied 1 year ago.
Hi. A picture would help. Is it looking a bit like that?
http://t1.gstatic.com/images?q=tbn:ANd9GcQbQCUR-dM-FiegF0hA6Bk2xwwmvJKzPC5KNxcuMpXB0HpXjzsGDU3KBPY
Expert:  W. Sorgen replied 1 year ago.
This is what moss looks like on bark:
http://pc-stock.deviantart.com/art/Maple-Bark-and-Moss-368494505
This is what lichens look like on bark:
https://www.flickr.com/photos/martinlabar/146038431
http://familyfellows.com/lichen.htm
Both moss and lichens are completely harmless to trees; they just grow on the surface, as they do on rocks. You may indeed be seeing moss or lichens on the branches of dead trees, but I can assure you they are not the cause but merely coincidental.
Perhaps you are seeing something that is not lichens or moss, but rather fruiting bodies of fungi. The best way to ID it is a photo attached to your response.
Expert:  W. Sorgen replied 1 year ago.
Also, depending on the kind of trees you are having this problem with, you may be seeing dwarf mistletoe. It has a "moss" kind of look to it, but it only affects members of the pine and cypress family:
http://www.pinebrookhills.org/Press/Articles/mistletoe.htm
Expert:  W. Sorgen replied 1 year ago.
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