08-11-2025 00:29
Francois Guay
I found this species in Quebec, Canada, on herbace
04-11-2025 09:07
Josep Torres
Hello.A suspected Hymenoscyphus sprouting on a thi
04-11-2025 12:43
Edvin Johannesen
Hi! One more found on old Populus tremula log in O
03-11-2025 21:34
Edvin Johannesen
These tiny (0.4-0.5 mm diam.), whitish, short-stip
28-10-2025 15:37
Carl FarmerI'd be grateful for any suggestions for this strik
Rutstroemia cf. venusta
Enrique Rubio,
24-05-2011 10:30
Dear friends:Last week I have collected this nice purplish ascomata on old indeterminate leaves (Petasites, Ranunculus?) at 1600 m of altitude. Disc up to 0.7 mm in diameter, margin fimbriate, stipe up to 2 mm.
Enrique Rubio,
24-05-2011 10:31
Re:Rutstroemia cf. venusta
Spores biguttulate with gel sheath
Enrique Rubio,
24-05-2011 10:33
Re:Rutstroemia cf. venusta
The rest of the micro
Enrique Rubio,
24-05-2011 10:35
Re:Rutstroemia cf. venusta
I have seen on Zotto's CD one plate of Rutstroemia cf. venusta and I think could be very close with my collection. What do you think?
Many thanks
Enrique
Many thanks
Enrique
Hans-Otto Baral,
24-05-2011 12:46
Re:Rutstroemia cf. venusta
Great collection indeed! Yes, I feel this is absolutely the same as I depicted. "My" specimen was found by Till Lohmeyer on "probably" Petasites.
Zotto
Zotto
Till Lohmeyer,
24-05-2011 14:58
Re:Rutstroemia cf. venusta
Congratulations, Enrique,
your collection fits in all respects my Bavarian collection from 1981. I have never forgotten this beautiful little cup fungus found on my birthday that year ... The "true" R.venusta Svrcek (see Ceska Myk. 20/1/1966) has considerably bigger spores, but apart from that it's very close.
Where did you find the cute thing geographically? Was it in the Pyrenees?
Best regards
Till
your collection fits in all respects my Bavarian collection from 1981. I have never forgotten this beautiful little cup fungus found on my birthday that year ... The "true" R.venusta Svrcek (see Ceska Myk. 20/1/1966) has considerably bigger spores, but apart from that it's very close.
Where did you find the cute thing geographically? Was it in the Pyrenees?
Best regards
Till
Enrique Rubio,
24-05-2011 17:38
Re:Rutstroemia cf. venusta
Thank you to all.
My collection is made at Somiedo's Natural Park, a very nice region of Asturias (N of Spain).
It's this fungus a microspored form of the true R. venustula?
Enrique
My collection is made at Somiedo's Natural Park, a very nice region of Asturias (N of Spain).
It's this fungus a microspored form of the true R. venustula?
Enrique
Hans-Otto Baral,
24-05-2011 19:10
Re:Rutstroemia cf. venusta
The type of R. venusta was on Helianthemum. I did not compare the image, but the spore size in my database (13-20 x 5.5-7.5 µm) clearly excludes that. Surely a different species. For Petasites I have only Sclerotinia sclerotiorum wit that spore size in my database
Zotto
Zotto
Enrique Rubio,
24-05-2011 19:24
Re:Rutstroemia cf. venusta
OK., Zotto. I will send you my images at higher resolution.
Enrique
Enrique