Observation 173707: Coryne dubia Pers.) Gray

When: 2014-08-06

Collection location: Cliffisde Lake, Macon Co., North Carolina, USA [Click for map]

Who: Danny Newman (myxomop)

Specimen available

x2 species present — tiny resupinate ring-shaped discs appressed to substrate (Observation 173709) + upright, dark purple, spathulate-flabelliform growths (this observation). Both hardened dry on their substrate.

Substrate: on decorticate, bleached, downed log in a campsite beside the lake.

Habitat: mixed deciduous + coniferous temperate rainforest, ~4500 ft.

Collectors: L. Gallagher & D. Newman

Collected for the 2014 Fleshy Fungi of the Highlands Plateau course, taught by Andy Methven at the Highlands Biological Station in Highlands, North Carolina.

Species Lists


Tip of Fruiting Body, Squash Mounted – 100x – KOH
Basidia and Spores – 400x – KOH
Basidia and Spores – 1000x – KOH
Basidia and Spores – 1000x – KOH + Congo Red
Basidia and Spores – 1000x – KOH + Congo Red
Basidia and Spores – 1000x – KOH + Congo Red
Basidia and Spores – 1000x – KOH + Congo Red
Basidia and Spores – 1000x – KOH + Congo Red

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Jonathan’s comment
By: Danny Newman (myxomop)
2014-08-14 13:50:08 AEST (+1000)

At the corresponding observation suggests these are Coryne dubia, an anamorphic Ascocoryne, which would make those extremely small spores conidia, and help explain the purple coloration.

By: Danny Newman (myxomop)
2014-08-14 10:41:28 AEST (+1000)

everything was difficult to see clearly in this mount. I am assuming that the long, filliform formations are tuning-fork basidia of the Dacrymycetaceae type, an the tiny, two-oil-droplet-having, elongate-cylindrical, sometimes bean-shaped things are spores. the last micrograph shows what I hope are two spores at the ends of two sterigmata.

if this is D. spathularia, it is unusual to see it so purple upon drying. every example I have seen before these has not dried this color. this was the principal feature that drew my attention to this fungus in the first place.

Created: 2014-08-13 12:21:36 AEST (+1000)
Last modified: 2014-08-14 17:00:27 AEST (+1000)
Viewed: 94 times, last viewed: 2017-06-19 06:20:32 AEST (+1000)
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