Observation 213058: Daldinia asphalatum (Link ex Fr.) Sacc.

When: 2015-08-06

Collection location: Rockville, Maryland, USA [Click for map]

Who: gillow2e

No specimen available

Proposed Names

84% (1)
Eye3 Eyes3
Recognized by sight: No chemical, microscopic and DNA sequence data. In the monograph referenced below, ‘stromatal habit is treated as a subordinate character’, but these stromata are erect and distinctly stipitate. Stipes are slender, not stout.
Used references: Stadler et al (A polyphasic taxonomy of Daldinia (Xylariaceae). Studies in Mycology 77:1-143 (2014)).
Incidentally, in the monograph cited above, a specimen (collected in NY?) from Patuxent Wildlife Research Center, Laurel, Maryland, was examined for the study of D. asphalatum. The Research Center is located about 25 miles away from the site where the current observation was made.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
comment from Dr. Stadler (the senior author of the reference)
By: gillow2e
2015-08-17 09:25:37 PDT (-0700)

“it really looks like it and you are right that the fungus is known from the US East coast (as D.cudonia). However, we have encountered relatively few mature recently collected specimens of this taxon, and so I would say you should double check whether the ascospores match our description.” Aug.17,2015.

An excellent find!
By: Roo Vandegrift (Werdnus)
2015-08-17 08:12:27 PDT (-0700)

These are great, thanks for sharing! I have never seen this species, nor any Daldinia that’s so stipitate. Stadler’s monograph is great, isn’t it? If you collected some, and want to confirm the spore characters, I would love to examine some of this material and could take measurements to post if you’d like.

Created: 2015-08-17 07:58:00 PDT (-0700)
Last modified: 2015-09-23 05:57:44 PDT (-0700)
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