Observation 310027: Tulasnella violea (Quél.) Bourdot & Galzin

When: 2018-02-25

Collection location: Alum Creek State Park, Delaware Co., Ohio, USA [Click for map]

40.2363°N 82.9298°W 0m

Who: Django Grootmyers (heelsplitter)

Specimen available

Notes:
Growing on the underside of a hardwood log, likely Quercus. Quercus spp., Carya spp., Fagus grandifolia and Acer spp. nearby. Basidia with 4 swollen eipibasidia that are septate at the base. Monomitic with simple septate generative hyphae. Repetitive spores present. Spore measurements from Piximetre: (5.2) 5.6 – 7 (7.3) × (4.1) 5 – 6.5 (6.6) µm, Q = 1 – 1.2 (1.3); N = 20, Me = 6.3 × 5.7 µm; Qe = 1.1
Individual spores: 6.34 × 6.06 µm, 6.61 × 6.51 µm, 7.03 × 6.03 µm, 7.32 × 6.17 µm, 6.28 × 5.96 µm, 6.20 × 5.74 µm, 6.77 × 6.57 µm, 6.31 × 5.54 µm, 5.48 × 5.25 µm, 5.57 × 5.01 µm, 6.12 × 5.48 µm, 7.19 × 6.19 µm, 6.28 × 5.83 µm, 5.64 × 5.24 µm, 5.16 × 4.11 µm, 5.89 × 4.87 µm, 6.51 × 5.01 µm, 6.38 × 5.57 µm, 6.70 × 6.31 µm, 6.81 × 6.54 µm

Species Lists

Images

DSC_4840 crop.jpg
DSC_4880.JPG
Basidia at 400x in NH4OH (2 drops), phloxine (1 drop) and congo red (1 drop).
DSC_4905.JPG
Spores at 400x in NH4OH (2 drops), phloxine (1 drop) and congo red (1 drop).

Proposed Names

86% (1)
Used references: Martin, G. W. (1952). Revision of the north central Tremellales (No. 423). State University of Iowa.
Cruz, D., Suárez, J. P., & Piepenbring, M. (2016). Morphological revision of Tulasnellaceae, with two new species of Tulasnella and new records of Tulasnella spp. for Ecuador. Nova Hedwigia, 102(3-4), 279-338.

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Created: 2018-02-26 01:38:51 CST (-0500)
Last modified: 2018-03-26 00:45:33 CDT (-0400)
Viewed: 37 times, last viewed: 2019-03-13 21:22:05 CDT (-0400)
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