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05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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Hymenoscyphus??
Alessandro Fellin, 12-07-2019 14:29
Habitat: in torbiera a sfagni su steli guasti e imbibiti d'acqua di Carex sp o Erioforo sp.
Data raccolta: 11/07/2019, torbiera a 1700 metri.
Spore: ellittiche/debolmente allantoidi, x lo più pluriguttulate e raramente dotate di un unico setto. Dimensioni (intervallo confidenza al 95%): (15,57)15,82-20,06(20,09) x (5,34)5,58-7,04(6,93) Qm=2.85.
Aschi: ottosporici, debolmente amiloidi con lunghezza inferiore a 150 micron.
Parafisi: cilindracee con sommità debolmente allargata, settate, ramificate e con contenuto debolmente rifrangente
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Hans-Otto Baral, 12-07-2019 15:19
Hans-Otto Baral
Re : Hymenoscyphus??
This is a Rutstroemiaceae, R. paludosa (or the earlier name henningsiana which might be the same).

Characterized by occurring on Cyperaceae and asci lacking croziers, also no stroma visible.

With a narrow genus concept one could adopt Clarireedia for those  monocots inhabiting species.
Michel Hairaud, 12-07-2019 15:21
Michel Hairaud
Re : Hymenoscyphus??

Bonjour Alessandro,


welcome to Ascofrance (unless I overlooked a previous post ?)


Nice pictures ! Did you compare your collection to Rutstroemia paludosa ?


Amitiés. Michel

Patrice TANCHAUD, 14-07-2019 11:20
Re : Hymenoscyphus??
Bonjour,

R. paludosa : base asques sans crochet. Différent de R. calopus qui a la base des asques avec crochet ?

Patrice
Michel Hairaud, 14-07-2019 11:35
Michel Hairaud
Re : Hymenoscyphus??

Oui Patrice, comme déjà signalé sur Ascofrance,


par exemple : http://www.ascofrance.fr/search_forum/52696


Mais pas certain que ce soit aussi simple , je crois me souvenir avoir lu un signalement d un calopus sans crochets ...


Michel

Patrice TANCHAUD, 14-07-2019 20:23
Re : Hymenoscyphus??
OK, merci Michel.
Patrice TANCHAUD, 15-07-2019 10:10
Re : Hymenoscyphus??
Mais alors Michel, ta récolte de R. calopus sans crochet ne pourrait pas être R. maritima ?
Hans-Otto Baral, 15-07-2019 10:24
Hans-Otto Baral
Re : Hymenoscyphus??
R. maritima is difficult. The whole group is a complex, only a sequencing project correlated with morphological documentation would bring us forward.
Patrice TANCHAUD, 15-07-2019 10:39
Re : Hymenoscyphus??
Yes, I understand. Thanks Zotto.
Alessandro Fellin, 16-07-2019 19:04
Re : Hymenoscyphus??
grazie
Alessandro Fellin, 16-07-2019 19:27
Re : Hymenoscyphus??
grazie