19-04-2015 20:20
Enrique RubioHi again Could you help me with this paper? NANN
30-04-2024 16:22
François BartholomeeusenDear forum members,On April 25 2024, I found one f
03-05-2024 18:04
Riet van OostenHello, Found by Laurens van der Linde on Rubus fr
01-05-2024 23:22
Ethan CrensonHi all, Found late last week in a New York City p
29-04-2024 21:32
Robin IsakssonHi! Found in Sweden. Ascomata with haris, se
01-05-2024 12:54
F. JAVIER BALDA JAUREGUIHello, everyone.An idea for this pyreno, I found u
30-04-2024 19:43
Gernot FriebesHi!We observed this hyphomycete growing between le
To your mushroom: Again, this is strange to me, but there is an article of Huhndorf et al. (2009) Mycologia 101:904-919.
Now it looks like in the image as Amplistroma ravum. Should be new, for Panama, as is observed that: Known distribution. Costa Rica, known only from the type collection
Peter
Two requests: The images are very small, please adjust slightly larger and always declare the extent spores. Thank you
KEY TO AMPLISTROMATACEAE
1. Ascomata formed in a stroma . . . . . . . . . . . . . . .. 2
1. Ascomata not stromatic, at times with a hyphal subiculum . . . . Wallrothiella congregata
2. Stroma texture cartilaginous when dry . . . . . . . 3
2. Stroma texture soft or crumbly when dry . . . . . . . . . . . . . Amplistroma tartareum
3. Stroma with polystichous ascomata. . . . . . . . . . . .. 4
3. Stroma with monostichous ascomata . . . . . . . . . . .. . . .Amplistroma ravum
4. Stroma surface more or less smooth with ascomatal necks barely erumpent. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . Amplistroma hallingii
4. Stroma surface rough, mostly with ascomatal necks distinctly erumpent . . . . . . .. . . . . . 5
5. Stromatal surface with white, cream to brown amorphous material, extensive or not . . . . . . . . . . 6
5. Stromatal surface without extracellular coating oramorphous material . . . . . . . . . . . . . 7
6. Stroma surface with extensive white to cream amorphous covering, stromal hyphae distinctly
brown and multilayered; ascospores 2.5–2.9 mm diam . . . . . . Amplistroma xylarioides
6. Stromal surface with some brown amorphous overing, stromal hyphae pale brown and not
distinctly layered; ascospores 1.7–2.2 mm diam. . . . . . . . Amplistroma diminutisporum
7. Stroma dark brown, appearing black when dry, interior dark .. . Amplistroma guianense
7. Stroma tan to dull brown, necks darker brown,interior cream to tan . . Amplistroma carolinianum