Observation 352654: Postia lateritia Renvall

Notes:
Growing on a conifer stick. Slightly effused-reflexed. Associated with a white rot. Dimitic with clamped generative hyphae. All structures inamyloid. Cystidia absent. Basidia 4-sterigmate. Spores smooth, thin-walled and allantoid. Spore measurements from Piximetre: (4.8) 4.9 – 5.7 (6) × (1.2) 1.3 – 1.7 (1.8) µm, Q = 3 – 4.1 (4.4); N = 13, Me = 5.3 × 1.5 µm; Qe = 3.5
Individual spores: 4.91 × 1.57 µm, 5.37 × 1.72 µm, 4.82 × 1.44 µm, 4.92 × 1.58 µm, 5.59 × 1.58 µm, 5.00 × 1.67 µm, 5.71 × 1.69 µm, 5.98 × 1.44 µm, 5.30 × 1.75 µm, 5.69 × 1.79 µm, 4.85 × 1.32 µm, 5.42 × 1.38 µm, 5.11 × 1.17 µm

Species Lists

Images

DSC_7737 edit crop.jpg
20181225_133119 crop.jpg
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DSC_7739 edit.JPG
DSC_8009 Skeletal hyphae and clamped generative hyphae at 400x in Melzer's.JPG
DSC_8016 Basidia and other structures at 400x in Melzer's.JPG
DSC_8031 Spores and clamped generative hyphae at 400x in Melzer's.JPG
DSC_8032 Clamped generative hyphae at 400x in Melzers.JPG
DSC_8469 Dissepiment edge at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8471 Dissepiment edge at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG
DSC_8472 Dissepiment edge at 400x in NH4OH (2 drops), congo red (1 red) and phloxine (1 drop).JPG

Proposed Names

29% (1)
Recognized by sight
-57% (1)
Used references: Gilbertson, R. L., & Ryvarden, L. (1986). North American polypores. Vol. I. Abortiporus-Lindtneria. North American polypores. Vol. I. Abortiporus-Lindtneria.
Gilbertson, R. L., & Ryvarden, L. (1987). North American Polypores Vol. 2. Megasporoporia-Wrightoporia. North American Polypores Vol. 2. Megasporoporia-Wrightoporia., 437-885.
Zhou, L. W., Nakasone, K. K., Burdsall, H. H., Ginns, J., Vlasák, J., Miettinen, O., … & Cui, B. K. (2016). Polypore diversity in North America with an annotated checklist. Mycological progress, 15(7), 771-790.
Miettinen, O., & Niemelä, T. (2018, October). Two new temperate polypore species of Skeletocutis (Polyporales, Basidiomycota). In Annales Botanici Fennici (Vol. 55, No. 4-6, pp. 195-206). Finnish Zoological and Botanical Publishing Board.
Núñez, M., & Ryvarden, L. (2001). East Asian polypores 2. Fungiflora, Oslo.
Vlasák, J., Vlasák, J., & Ryvarden, L. (2012). Four new polypore species from the western United States. Mycotaxon, 119(1), 217-231.
Vlasák, J., Kout, J., & Ryvarden, L. (2012). New records of polypores from southern Florida. Mycotaxon, 118(1), 159-176.
Murrill, W. A. (1920). Light-Colored Resupinate Polypores: II. Mycologia, 12(6), 299-308.
Based on microscopic features
29% (1)
Used references: BLAST results
61% (2)
Recognized by sight

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= Observer’s choice
= Current consensus

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Created: 2018-12-26 00:01:33 CST (-0600)
Last modified: 2019-05-16 10:15:03 CDT (-0500)
Viewed: 58 times, last viewed: 2020-09-14 17:51:50 CDT (-0500)
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