Collection location: Boyd Big Tree Conservation Area, Dauphin Co., Pennsylvania, USA [Click for map]
At first thought this was a lichen, but spores are born from a perithecium and not an apothecium. Additionally did not appear to be superficial but emerging from the semi-decayed, but still standing, dead oak tree.
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Most Missouri forests have abundant oak, so I see a lot of Hypoxylon almost every time I’m in the woods. Nice to have some micrographs posted. Thanks for that.
I think you are right. Having a duh moment. I guess I’m use to seeing hypoxylon as old black stroma.
It’s a little hard for me to see the details in your photos so I hesitate to propose this name. My obs of this species, common on Oak, might be helpful for you to rule that species in or out. Observations 233754 , 231004 and 198612 . This last Ob addresses both the sexual and asexual forms.
Created: 2018-02-27 08:43:40 CST (-0600)
Last modified: 2018-02-27 20:58:46 CST (-0600)
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