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Ascomycete, apothecia

 
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Ken Ramos



Joined: 27 Jul 2006
Posts: 7052
Location: lat=35.4005&lon=-81.9841

PostPosted: Thu Sep 28, 2006 4:03 am    Post subject: Ascomycete, apothecia Reply with quote





Meiji EMZ-13TR

Apothecia are disc shaped fruiting bodies with a fertile center. This fertile center is known as the hymenium. Surrounding the hymenium is the exiple, the wall of the apothecia, outside of this is the thallus of the lichen.
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beetleman



Joined: 04 Aug 2006
Posts: 3578
Location: Southern New Hampshire USA

PostPosted: Thu Sep 28, 2006 6:20 pm    Post subject: Reply with quote

Beautiful shots Ken. What substrate is the specimen on..wood or stone? Think
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Ken Ramos



Joined: 27 Jul 2006
Posts: 7052
Location: lat=35.4005&lon=-81.9841

PostPosted: Thu Sep 28, 2006 6:41 pm    Post subject: Reply with quote

These were growing on a dead, slick barked, hardwood tree limb. I took my pocket knife and cut the section away to bring home for my new lichen collection. The radial pattern displayed by this lichen was quite beautiful, it really makes you think or at least it does me, about how artistic nature really is and how something so small and wonderful can just be casually ignored. The whole lichen is about 22.5 cm X 21 cm, almost perfectly circular. The apothecia or apothecium are clustered in the center of the lichen. I also noticed that there are numerous other lichen speceis growing on this section of dead wood also, showing that at least those specimens are not limited to growing on one particular substrate, however, there are a few lichens that are. Very Happy

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beetleman



Joined: 04 Aug 2006
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Location: Southern New Hampshire USA

PostPosted: Fri Sep 29, 2006 4:02 am    Post subject: Reply with quote

Thanks for the extra info Ken....Very nice find. I am assuming that the branch was still on the tree or had just fallen off. I think once they fall from the tree, different fungi and stuff would start attacking the wood.
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Ken Ramos



Joined: 27 Jul 2006
Posts: 7052
Location: lat=35.4005&lon=-81.9841

PostPosted: Fri Sep 29, 2006 4:19 am    Post subject: Reply with quote

Yes it was still on the tree there Doug. Your right, had it fallen off various other forms of fungi would have started growing on it and it would have become infested with ants, other ground dwelling insects and hords of Springtails. Sometimes however, one can find jelly fungi on rotting wood that is lying around on the ground. I believe there are some jelly fungi that are associated with lichens but I am not positive. Though these jelly fungi would, I assume, be hard to preserve in a collection, I suppose a simple photograph of the specimen would have to suffice. Very Happy
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