Trivia #3

[Dan R Porter]

Ok I must admit, this one *I* don't even know. So if you get this one right I can't judge if yer right or wrong until I research your answer. Area : East Central Missouri

 

[Dan R Porter]

and....

The top side...

 

[highsiera]

leaf herpe

 

[Urban Forester]

Oak nipple gall

 

[woodville]

oak leaf gall, eriophyid mite.