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Pyrenomycetous fungi on dead Juniperus twig
Åge Oterhals,
05-07-2025 12:38
Perithecia superficial, black, rounded-conical with small papilla, diameter 200-300 µm, glabrous or with some short brown seta.
Asci bitunicate, cylindric, 81-95 x 6.4-7.4 µm
Sp. brown, 3-septate with mid constriction, 13.5-14.6 x 4.3-4.8 µm
Any help with identification is greatly appreciated.
Thanks in advance,
Åge
Enrique Rubio,
05-07-2025 12:41
Re : Pyrenomycetous fungi on dead Juniperus twig
Hi Åge
Look for Melanomma.
Look for Melanomma.
Åge Oterhals,
06-07-2025 12:20
Re : Pyrenomycetous fungi on dead Juniperus twig
Hi Enrique,
The spores fits with the lower range reported for Melanomma pulvis-pyrius, however, this species is only reported on broadleaved trees. In addition, the perithecia should have a more irregulary angular surface. My collect is found on Juniperus and have a smooth surface. M. juniperinum reported on conifers have somewhat lager 4-5 septate spores. Would you accept this as M. pulvis-pyrius despite the above deviations?
Regards,
Åge
The spores fits with the lower range reported for Melanomma pulvis-pyrius, however, this species is only reported on broadleaved trees. In addition, the perithecia should have a more irregulary angular surface. My collect is found on Juniperus and have a smooth surface. M. juniperinum reported on conifers have somewhat lager 4-5 septate spores. Would you accept this as M. pulvis-pyrius despite the above deviations?
Regards,
Åge