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Ascomycete on Juniperus communis old leaves
Enrique Rubio,
04-08-2009 13:32
I need some help for determinate this fungus that forms clearly erumpent and sessile ascomata up to 0.8 mm of diameter on Juniperus communis old leaves at 1700 m of altitude.
The hymenium is whitish-greyish or greyish. The apothecial rims are pilose and white. Ectal excipulum is brownish and fully covered by crystalline masses.
Enrique Rubio,
04-08-2009 13:34
Enrique Rubio,
04-08-2009 13:35
Enrique Rubio,
04-08-2009 13:38
Enrique Rubio,
04-08-2009 13:40
Hans-Otto Baral,
04-08-2009 15:57
![Hans-Otto Baral](/uploads/user_vgn/Baral-0001.jpg)
Re:Ascomycete on Juniperus communis old leaves
Îs apparently a Hysterostegiella. Could you please send me the images in higher resolution?
Zotto
Zotto
Enrique Rubio,
04-08-2009 16:54
Re:Ascomycete on Juniperus communis old leaves
OK. Zotto.
Hans-Otto Baral,
04-08-2009 19:31
![Hans-Otto Baral](/uploads/user_vgn/Baral-0001.jpg)
Re:Ascomycete on Juniperus communis old leaves
I tried Hein's key, and I arrive at Hysterostegiella, but not at a species. It seems close to H. dumeti and lauri, but spores are wider, and dumeti has long excretions on the hairs.
Possibly a new species.
From the substrate Sarcotrochila would be a choice, but there the paraphyses are not lanceolate and the spores much larger and guttulate.
Zotto
Possibly a new species.
From the substrate Sarcotrochila would be a choice, but there the paraphyses are not lanceolate and the spores much larger and guttulate.
Zotto
Enrique Rubio,
04-08-2009 19:43
Re:Ascomycete on Juniperus communis old leaves
Many thanks for your help, Zotto.
Enrique
Enrique
Hans-Otto Baral,
04-08-2009 21:48
![Hans-Otto Baral](/uploads/user_vgn/Baral-0001.jpg)
Re:Ascomycete on Juniperus communis old leaves
Dear Enrique
you are right in your mail to me, this seems to be Hysterostegiella juniperina (E. Müll.) Schmid-Heckel, Pilze in den Berchtesgadener Alpen, Nationalpark Berchtesgaden Forschungsberichte (Regensberg): 27 (1988).
I did not have this species in my database. The description in Müller as Psilachnum j. in Sydowia 1968 is quite inadequate, spore width is with 1-2 µm to narrow but too inexact and no spore drawing supplied, no mntion of the apo-lid. Schmid does not redescribe the fungus.
Zotto
you are right in your mail to me, this seems to be Hysterostegiella juniperina (E. Müll.) Schmid-Heckel, Pilze in den Berchtesgadener Alpen, Nationalpark Berchtesgaden Forschungsberichte (Regensberg): 27 (1988).
I did not have this species in my database. The description in Müller as Psilachnum j. in Sydowia 1968 is quite inadequate, spore width is with 1-2 µm to narrow but too inexact and no spore drawing supplied, no mntion of the apo-lid. Schmid does not redescribe the fungus.
Zotto
Guy Garcia,
04-08-2009 22:12
Re:Ascomycete on Juniperus communis old leaves
see the description of Holm & Holm (1977:22) under Stegopeziza juniperina [= Hysterogiella juniperina (E. Müll.) Schmid-Heckel]. The spores are greater (6-8 x 1,5-2 µm) but the other features well agree with your description.
Best, Guy
Best, Guy
Michel Hairaud,
04-08-2009 22:32
![Michel Hairaud](/uploads/user_vgn/Hairaud-0001.jpg)
Re:Ascomycete on Juniperus communis old leaves
Bonsoir Enrique, Zotto et Guy et tous,
Bravo pour cette trouvaille et la qualité des photos macro !
Les caratères que tu donnes ici Enrique, sont très semblables à ceux de ma récolte de Hysterostegiella dumeti (sur Rubus caesius) du mois de juin dernier (Cf. fiche dans Ascofrance)
Les dimensions des spores étaient 6.5-7.5 x 1,8-2-2, ce qui correspond aux dimensions fournies par Guy pour H. juniperina selon Holm & Holm.
Amitiés
Michel
Bravo pour cette trouvaille et la qualité des photos macro !
Les caratères que tu donnes ici Enrique, sont très semblables à ceux de ma récolte de Hysterostegiella dumeti (sur Rubus caesius) du mois de juin dernier (Cf. fiche dans Ascofrance)
Les dimensions des spores étaient 6.5-7.5 x 1,8-2-2, ce qui correspond aux dimensions fournies par Guy pour H. juniperina selon Holm & Holm.
Amitiés
Michel
Enrique Rubio,
05-08-2009 11:43
Re:Ascomycete on Juniperus communis old leaves
Merci beaucoup aux trois: Zotto, Guy et Michel par votre amicale aide et par votre sagesse..
Michel: comme tu auras pu supposer, il a été Jesús celui qui a récolté le champignon. Ces yeux suivent en parfait état!!
Bon jour a tous
Enrique
Michel: comme tu auras pu supposer, il a été Jesús celui qui a récolté le champignon. Ces yeux suivent en parfait état!!
Bon jour a tous
Enrique