Observation 18251: Delicatula integrella (Pers.) Fayod

When: 2007-07-04

Collection location: Greensburg, Pennsylvania, USA [Click for map]

Who: John Plischke (John Plischke)

No specimen available

These were less than 1/4 inch tall. Growing in the base of a large oak tree in moss. Very very fragile. I broke 10 of them just setting up this photo.

[admin – Sat Aug 14 01:57:09 +0000 2010]: Changed location name from ‘Greensburg, Westmoreland Co., Pennsylvania, USA’ to ‘Greensburg, Pennsylvania, USA



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finding it hard to believe
By: Danny Newman (myxomop)
2013-07-08 03:57:09 CDT (-0400)

that the exact same species occurs in

Observation 128339
Observation 105869

Observation 114377
Observation 114425
Observation 109300
Observation 102372
Observation 107934
Observation 134334
Observation 99441

Observation 54708
Observation 54610

Observation 123271

Observation 71106

North America:
Observation 138410
Observation 47207
Observation 81998
Observation 48522
Observation 69310
Observation 105848
Observation 18251
Observation 48943

Observation 50406

and Europe:
Observation 84198
Observation 19682

not that all of these are positively IDed, of course.

Is this really as cosmopolitan as L. birnbaumii? And what of D. persimilis, if not other Delicatula species listed in that almighty monograph (if any exist)?

Books etc
By: John Plischke (John Plischke)
2009-02-13 22:13:34 CST (-0500)

Where can I order Antonín, Vladimír and Machiel E. Noordeloos. 2004. A Monograph Of The Genera Hemimycena, Delicatula, Fayodia, Gamundia, Myxomphalia, Resinomycena, Rickenella, and Xeromphalina, I need a copy.
I also checked and the species is reported from Pennsylvania PA. Thank you. I do have the entire set of swiss books and i love them. We need something like that for here. John

thank you!
By: Debbie Viess (amanitarita)
2009-02-13 11:49:05 CST (-0500)

what clear-cut characters, altho indeed I suppose there could be something else entirely in PA. But it’s nice to give us a productive line of inquiry, at any rate…

By: Irene Andersson (irenea)
2009-02-13 11:35:28 CST (-0500)

One character of Delicatula is veins instead of true gills. They usually don’t reach the (dentate) cap margin. Another character is the white veil that leaves thin fibrils on the cap and stem. I think it’s more obvious on younger or larger specimen. This picture is an extreme close-up of very small ones.

From me this is just a “could be”, but I’m pretty convinced about the genus.
D. integrella is a well known species in Europe, and hardly impossible to find in Pennsylvania. But you could have others, of course.

OK Irene, a new one on me.
By: Debbie Viess (amanitarita)
2009-02-13 10:20:12 CST (-0500)

For those who don’t have Darv’s library (ie. most of us), what macro features led you to this ID? Altho reading the collectors description i can see where the genus name comes from!

Delicatula integrella
By: Darvin DeShazer (darv)
2009-02-13 08:50:19 CST (-0500)

Photos in:
Antonín, Vladimír and Machiel E. Noordeloos. 2004. A Monograph Of The Genera Hemimycena, Delicatula, Fayodia, Gamundia, Myxomphalia, Resinomycena, Rickenella, and Xeromphalina (Tribus Mycenae sensu Singer, Mycena excluded) In Europe. IHW Verlag, Eching. 279p.
Breitenbach J. and F. Kranzlin. 1991. Fungi of Switzerland Vol. 3. Mykologia, Luzern. 361p.

Created: 2009-02-11 22:43:23 CST (-0500)
Last modified: 2014-06-04 16:14:31 CDT (-0400)
Viewed: 157 times, last viewed: 2018-04-16 00:29:29 CDT (-0400)
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