[NAFEX] Lichens on trees

Joe and Ellen Hecksel jhecksel at voyager.net
Thu Apr 3 14:58:32 EST 2003

Young, fast growing trees tend to shed there outerbark more quickly 
since their girth increases by a larger percentage each year.  The 
lichens cannot get a toehold.  Trees that are older or are struggling do 
not shuck off their outer bark as quickly and lichens can colonize them.

>I have heard that lichens don't harm trees but may indicate a poor nutritional state. 

-Joe Hecksel
My personal web site: http://my.voyager.net/~jhecksel

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