המועדפים של ikhom
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zitsermתיאור
This fungus infects Box elder (Acer negundo) and turns the twigs white, killing them. Sometimes the fungus looks like broken up black circles (see photo 1), a bit like cheetah spots, and sometimes it looks like complete circles. I have seen similar Box elder twigs with this fungus, where part of the pale twig was an orangish pink hue.
After letting the twig sit in a moisture chamber, pinkish goo started to ooze out of the black circles. I believe this is an anamorph of some Ascomycete. A photo of the conidia at 1000x is shown. The spores are elliptical / pill shaped and have numerous round guttules in them.
Previous observations:
https://www.inaturalist.org/observations/200536858
https://www.inaturalist.org/observations/196420044
https://www.inaturalist.org/observations/194669917
https://www.inaturalist.org/observations/157445322
https://www.inaturalist.org/observations/151691625
https://www.inaturalist.org/observations/151691465
https://www.inaturalist.org/observations/148312162
https://www.inaturalist.org/observations/144672964
https://www.inaturalist.org/observations/110823238
https://www.inaturalist.org/observations/110170481
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ethancrensonתיאור
Spores brown, 7-9 septa, swollen supramedian cell, 28-34 (44) x 8-10µm. This fragment of hardwood was also inhabited by Hysterobrevium mori.
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shanzeyoellתיאור
Flakier exterior make me suspect Peziza praetervisa/Daleomyces petersii, will check again in a few days to see how fruiting bodies develop
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maricel-patinoתיאור
Growing on Pinus rigidus needles that fell down in a swampy area. Pine Barrens. Biggest cup was 5mm in diameter, and very thin, like a flat lentil. Asci 98-123 x 7.4-9.8 um. Spores 11.1-14.8 x 4.9 um. Paraphyses show twisted, branched, curly and straight ends, around 2.4 um wide.
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jan_thornhillתיאור
Alder, in alder wetland. Vouchered. Third image shows before & after hydration.
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heelsplitterמקום
Andrews Bald, Great Smoky Mountains National Park, Swain Co., North Carolina, USA (Google, OSM)תיאור
Growing on a curled Rhododendron catawbiense leaf. Ascocarps up to 0.7 mm wide; fringed with tufts of hairs; sessile. Ascocarps seated individually on small, white, membranous subicula. Not noticeably bioluminescent. Not noticeably fluorescent under UV light. Hair tufts composed of fascicles of smooth, hyaline hairs. Asci inoperculate and 8-spored with amyloid apical apparatuses. Spores hyaline, smooth and 3-septate. Spore measurements: (16) 17.1 – 20 (21.3) × (3) 3.2 – 3.8 (4.1) µm; Q = (4.4) 4.5 – 5.8 (6.2); N = 30; Me = 18.2 × 3.6 µm; Qe = 5.2
—
Originally posted to Mushroom Observer on Aug. 22, 2023.
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ethancrensonתיאור
Spores
4.0-5.6 x 1.3-2.0µm
Me 5.0 x 1.7µm
Q 2.5-3.8
MeQ 3
N=20
Asci IKI-
22 - 29 x 4.3-4.7µm
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ethancrensonתיאור
Growing on Honey Locust seed pods.
Spores ellipsoid, tapering at the ends (roughly boat shaped), mostly without oil content: 7.8-10.3 x 3.2-4µm
Asci IKI-, with croziers, 66-74 x 5-6µm
Paraphyses branched, containing some refractive content. Occasionally roughened at the ends.
Hairs indicated by arrows in microphotos
Excipulum textura intricata.
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ethancrensonתיאור
Apothecia smaller than 1mm in diameter growing on an old oak leaf.
Asci 4-spored, IKI+, clavate, 32-37 x 5.2-6.0µm
Spores fusiform, usually with one acute end and one rounded end, somewhat curved, 9.5-15.1 x 2.2-2.9µm
Paraphyses septate with oil content. Dextrinoid in Lugol's.
Excipulum textura globulosa / intricata.
...some of my photos in Phloxine (the pinkish ones) but most in water or Lugol's.
ID provided by H. O. Baral.
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ethancrensonתיאור
Growing on fruiting bodies of Trichoglossum farlowii in Beech-Maple-Hemlock woods
Soft, dark, crowded, hemispherical fruiting bodies. Asci are broadly clavate, 40-44 x 8.5-10.5µm. Spores are hyaline, fusiform with one end narrower than the other (like the sole of a shoe) 8.5-10.5 x 3-3.8µm.
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lesliejoanתיאור
in the sand and gravel beside a road/ three at different stages/ this one: cap 7.1 cm wide, stem narrower at apex 1.3 cm to 1.5 cm at base/ gills have a pinkish hue/ spore print: cream/ when fresh no odour, while drying ti, quite a strong & unpleasant odour/ spores: ellipsoid and unigutulate/ 9.8 - 10.8 x 6.1 - 6.4 microns
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jonathan_mackתיאור
in mature forest containing hemlock, full of temporary puddle during spring
I expected this species to be at this location, but I am happy to be able to confirm it
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jonathan_mackתיאור
on opening, on muddy sandy soil.
perithecia scattered, vivid orange, up to about 1cm. margin darker, composed of very small hairs (photo 9). Paraphyses clavate and filled with orange granules. Spores, covered with a very conspicuous and mostly complete net, do not appear warty. spores (in asci, and without ornamentation) measured 13-16 x 6-9 µm
all microphotograph stained with Cotton Blue
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antonioezquerroתיאור
Iodophanus "violaceoroseus", especie nueva. Especie afín a Iodophanus difformis, pero diferente en color y hábitat.
En Juncus sp.
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corndogתיאור
On Juncus seeds??
Lost material for microscopy
In fen, among mosses, often submerged in Sphagnum
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ethancrensonתיאור
Spores yellow-brown/red-brown, mostly 6-septate, with swollen supramedian cell, 22.8-28.8 x 6.6-8µm. Slightly textured, punctate, maybe.
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jan_thornhillתיאור
Fire pit. Microscopy. Ascospores approx. 15.0-17.0 x 7.9-8.8. Q=1.9. Multi-septate rounded ended hairs, some longer than 100µm; paraphyses greenish in iodine - many forked. (FBs were bright yellow-orange, which my camera has trouble picking up, so I had to pump up saturation to make them closer to their actual colour.) Vouchered. JET230703_02
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just_add_waterתיאור
Crozier (+), Spores within range, amorphous refractive crystals present.
The fusiform paraphyses are exceeding the asci.
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ethancrensonתיאור
On Stereum complicatum. Some photos are in cotton blue (it's pretty obvious which). Spores are minutely warty (verriculose), about 10-11 x 3.8-4µm.
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beetlelordתיאור
Tiny orange cups bursting out of a decaying paper birch branch.
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whateverwatcherתיאור
ID help appreciated.
iNat was very consistent in its top suggestion: Stalked Hairy Fairy Cup (Lachnum virgineum).
Totally love that name. I didn't see stalks, but they were so tiny who would know?
I backed up a couple of taxon levels as a starting place.
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מה
שחרחרית קצרת-רגל (Melanoleuca brevipes)מתצפת.ת
jonathan_mackתיאור
I think?stem is quite short
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mushroomphotographyתיאור
Less than a mm across, on brown/dead/dying moss blotch within patch of healthy moss.
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phroxianתיאור
On burnt ground, dominaing but interdispersed with Anthrocobia sp. Unigutulate round spored reddish orange apothecia
(13.9) 14-15.3 (16.1) x (13.7) 13.7-15.3 (16)
N=23
Me = 14.7 x 14.6um
Qe =1.01
asci 206.3-216.2 x 15.5-18.8 um
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ehjalmarsonתיאור
Observation is for the cup fungus. A second observation using the same photo for the mold on it (Hypomyces stephanomatis) is here: https://www.inaturalist.org/observations/113295348
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bertharrisתיאור
On Tuilp Poplar bark in mature hardwood forest. Continuous white thallus, black lecideine apothecia well above the thallus. K-, C-, UV-. Spectacular big golden muriform spores, turning dark brown with maturity. 8 per ascus.
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jonathan_mackתיאור
will update if I manage to get better micro pictures
On the underside of a branch on the ground,
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heelsplitterתיאור
Growing on Odocoileus virginianus dung with Saccobolus minimoides observation 423523, Coprotus glaucellus observation 423498 and Coprinopsis sp. Subiculum absent. All Structures inamyloid. Hairs multiseptate and hyaline. Single polysporous ascus per ascocarp. Spores smooth, hyaline and eguttulate. Spore measurements: (8.9) 9.1 – 9.8 (10) × (6.9) 7.1 – 7.5 (8) µm, Q = (1.2) 1.23 – 1.37 (1.4); N = 30, Me = 9.4 × 7.3 µm; Qe = 1.3
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chloe_and_trevorתיאור
On what is probably bear dung. I can't find a similar Lachnum that grows on dung.
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ethancrensonתיאור
Each "cup" embedded in the subiculum is smaller that 1mm wide. Spores are 6-7 x 4-5.5µm, apiculate, hyaline. Clamps present. Crystalline or refractive material among the hairs.
