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Tiny farinose-warted greyish-beige short-stalked cups
Stephen Martin Mifsud,
06-02-2020 20:21
Hello, I have found these interesting 0.5mm wide ascomycete in, rather numerous and gregarious on dead decaying sticks of a herbacious plant (maybe fennel, maybe Acanthus petioles) which have a tiny stipe. Outline rim maybe folded inside and become irregular. I have not yer carried out a full documentation, but a quick slide yesterday revealed very narrow asci but spores were very scarce (none were free outside the asi). What family (or genus) are we ?
Michel Hairaud,
06-02-2020 20:49
Re : Tiny farinose-warted greyish-beige short-stalked cups
Bonjour Stephen,
Difficult whithout micro observation, but did you consider Cyathicula ?
Michel
Mario Filippa,
07-02-2020 20:15
Re : Tiny farinose-warted greyish-beige short-stalked cups
Take a look to the hairs, too.
It somewhat reminds Lasiobelonium in my idea.
Hans-Otto Baral,
07-02-2020 21:22
Re : Tiny farinose-warted greyish-beige short-stalked cups
I too think Cyathicula with sessile apos. Look if the paraphyses in water are multiguttulate and the excipulum tough and with crystals.
Stephen Martin Mifsud,
08-02-2020 13:45
Re : Tiny farinose-warted greyish-beige short-stalked cups
Hello,
I have worked on the micro of this species and I have the following results
Ascocarps L x W : 0.5 x 0.7 Range: 0.4-0.7 x 0.5-0.9 (1.6!)
Cross section : a brownish-grey layer darker from the rest below the hymenium
Crystals: PRESENT
Asci: 50-60 x 4-5 um / J+ / Croziers present
Paraphysis : linear, same or slightly longer from asci (-65um) with numerous guttulae, but some have less (not uniform)
Spores: Cylindrical with rounded ends, 7-10um, with two small, condensed guttulae at each end, straight or slightly curves (sausage shaped)
I have seen several posts on this page and I concluded that this is Cyathicula cacaliea
Do you agree? :-)
http://www.mykologie.net/index.php/houby/podle-morfologie/apothecia/item/2653-cyathicula-cacaliae
I have worked on the micro of this species and I have the following results
Ascocarps L x W : 0.5 x 0.7 Range: 0.4-0.7 x 0.5-0.9 (1.6!)
Cross section : a brownish-grey layer darker from the rest below the hymenium
Crystals: PRESENT
Asci: 50-60 x 4-5 um / J+ / Croziers present
Paraphysis : linear, same or slightly longer from asci (-65um) with numerous guttulae, but some have less (not uniform)
Spores: Cylindrical with rounded ends, 7-10um, with two small, condensed guttulae at each end, straight or slightly curves (sausage shaped)
I have seen several posts on this page and I concluded that this is Cyathicula cacaliea
Do you agree? :-)
http://www.mykologie.net/index.php/houby/podle-morfologie/apothecia/item/2653-cyathicula-cacaliae
Hans-Otto Baral,
08-02-2020 15:58
Re : Tiny farinose-warted greyish-beige short-stalked cups
C. cacaliae is an option, yes, it is characterized, however, by a brown medullary (or ectal) excipulum, as I recall, and maybe it is dificult and heterogeneous. The genus is extremely diverse when taking sequences.
Stephen Martin Mifsud,
08-02-2020 17:19
Re : Tiny farinose-warted greyish-beige short-stalked cups
Thank you, I give it this name unless something better fits or is suggested in the future. anyone interested in sequencing this specimen just contact me, although I am afraid that after drying it, there is noting left -> so small!
Thank you all (Michel we jsut emailed each other - I am the guy from Malta)
Thank you all (Michel we jsut emailed each other - I am the guy from Malta)
Michel Hairaud,
08-02-2020 18:22
Re : Tiny farinose-warted greyish-beige short-stalked cups
Yes yes Stephen, I was also fully conscious about your regular presence on Ascofrance when we exchanged mails about Ascomycete.org and I thank you again for your enthusiastic membership ...
Michel