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Notes:
Growing on a hardwood stick. Caps fuzzy and white and remaining so when dried. Young gills white. Spores rusty brown on gills. Pileipellis covered in curly, clamped hyphae. Irregularly-shaped cheilocystidia abundant.Pleurocystidia absent or rare. Basidia 4-spored. Spores ellipsoid, smooth, thin-walled and lacking distinct germ pores. Spore measurements: (6.4) 7.2 – 9.4 (11.1) × (4.5) 4.7 – 5.7 (6) µm, Q = (1.3) 1.4 – 1.7 (1.9); N = 30, Me = 8.1 × 5.1 µm; Qe = 1.6

Species Lists

Images

20190524_172210 crop.jpg
20190524_172202 crop.jpg
DSC_0002 Spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_0015 Basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_0025 Basidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_0027 PIleipellis at 100x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_9992 Cheilocystidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_9996 Cheilocystidia and spores at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG

Proposed Names

57% (1)
Used references: Hesler, L. R., & Smith, A. H. (1965). North American species of Crepidotus (pp. 3-161). New York, New York, USA: Hafner Publishing Company.
Bandala, V. M., Montoya, L., & Mata, M. (2008). New species and records of Crepidotus from Costa Rica and Mexico. Fungal Diversity, 32, 9-29.
Krisai-Greilhuber, I., Senn-Irlet, B., & Voglmayr, H. (2002). Notes on Crepidotus from Mexico and the south-eastern USA. Persoonia-Molecular Phylogeny and Evolution of Fungi, 17(4), 515-539.
Based on microscopic features
29% (1)
Recognized by sight

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Comments

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Yeah it is not clear.
By: Stephen Russell (Mycota)
2019-12-27 04:10:22 CET (+0100)

Just taking a shot to see if that rang any bells.

I don’t, no
By: Django Grootmyers (heelsplitter)
2019-12-27 03:14:42 CET (+0100)

I just keyed in out in Hesler & Smith. I see from Mycomap BLAST that that’s the top hits but it looks like there might be 2 species in there under lundelii. I’ll defer to Cathy Aime on the ID here but I’m kinda confused about the BLAST hits.

Do you recall comparing
By: Stephen Russell (Mycota)
2019-12-27 01:11:32 CET (+0100)

Crepidotus lundellii