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Mollisia peruni 101219 146 ??
Miguel Ángel Ribes,
19-04-2020 19:42

This Mollisia with a lot of subiculum, first white-grey and latter cream colour, with ondulated margin, was growing in a small branch decorticated of Quercus canariensis in Algeciras, Bosque de Niebla
Ectal excipulum brown, from base at the margin, with textura angularis, more elongated at margin. Marginal cell a little enlarged at apex, but short, no more than 20 µm, Medullar excipulum with textura intricata, but near margin more or less porrecta. Paraphysis with a big VB or with some samller, KOH -. Asci octosporic, biseriated, euamyloid, with croziers, (68,3) 72 - 88,9 (95,4) × (5,1) 5,6 - 6,8 (7,2) µm; N = 28; Me = 77,7 × 6,2 µm. Spores elipsoidal to slightly fusiform, with 2 LB small or medium size and another smaller, (7) 7,1 - 9,8 (10,2) × (2,6) 2,7 - 3,2 (3,6) µm; Q = (2,2) 2,5 - 3,3 (3,6) ; N = 60; Me = 8,5 × 2,9 µm ; Qe = 2,9.
With the keys I arrive to M. peruni, but near M. melaleuca or M. cinerea, too.
Thanks in advance
Hans-Otto Baral,
19-04-2020 21:46

Re : Mollisia peruni 101219 146 ??
Hi Miguel-Angel
I have no clear idea but I am unsure if it is M. peruni. The drawing of Gminder 2006 shows a different lipid pattern and more elongated spores.
I would turn the spores upside down, because the wider spore end generally points towards the apex in Helotiales.
Zotto
Miguel Ángel Ribes,
19-04-2020 22:24

Re : Mollisia peruni 101219 146 ??
Yes, I am right, the keys send me to M. peruni I, but it doesn't fit.
Thank you.
Thank you.