Nectria Canker (Neonectria galligena)

2006-4-15 - Parvin State Park, NJ

2015-6-9: -- on Sassafrass
<http://www.forestryimages.org/browse/detail.cfm?imgnum=5056022&CFID=13594138&CFTOKEN=dfa3fd2bdb38f053-81AF4950-0378-8038-D66862B3ED284097>

Figure 17. - Canker on an apple tree
http://www.apsnet.org/edcenter/intropp/topics/Article%20Images/plantdisfig17.jpg
<http://flickrhivemind.net/Tags/nectria/Timeline>

tree diseases:
<http://www.gwgresources.com/Diseases.html>