Observation 308267: Botryobasidium simile Pouzar & Hol.-Jech.

When: 2017-09-16

Collection location: Mohican State Park, Ohio, USA [Click for map]

Who: Django Grootmyers (heelsplitter)

Specimen available

Notes:
Growing on a decorticate Pinus strobus log. Brown dust (conidia) rubbing off easily. Conidia smooth and produced in chains. Did not notice clamps in hyphae. Conidia measurements from Piximetre: (17.1) 17.9 – 21.2 (22.6) × (14.6) 15 – 16.7 (17) µm, Q = (1.1) 1.14 – 1.3 (1.4); N = 20, Me = 19.4 × 15.8 µm; Qe = 1.2
Individual conidia: 19.82 × 16.23 µm, 19.11 × 15.46 µm, 18.52 × 15.52 µm, 18.84 × 15.94 µm, 17.11 × 14.98 µm, 20.68 × 17.05 µm, 19.83 × 15.89 µm, 18.39 × 14.61 µm, 19.33 × 16.97 µm, 21.59 × 15.25 µm, 19.83 × 14.95 µm, 22.59 × 16.37 µm, 18.23 × 14.56 µm, 17.48 × 15.83 µm, 21.18 × 16.20 µm, 20.22 × 16.70 µm, 20.41 × 15.97 µm, 17.90 × 16.10 µm, 18.67 × 15.26 µm, 18.73 × 16.09 µm

Species Lists

Images

20170916_094946.jpg
DSC_5945.JPG
DSC_2257.JPG
Cross section in Melzer’s at 100x
DSC_2267.JPG
Cross section in Melzer’s at 400x
DSC_2272.JPG
Cross section in Melzer’s at 400x
DSC_2273.JPG
Cross section in Melzer’s at 400x

Proposed Names

57% (1)
Recognized by sight: Haplotrichum simile anamorph
Used references: Langer, G., & Langer, E. (1998). Haplotrichum parmastii sp. nov. collected in Costa Rica. Folia Crypt. Estonica, 33, 63-69.
Holubova-Jechova, V. (1980). Revision and subdivision of Haplotrichum: anamorphs of Botryobasidium [Fungi]. Mycotaxon (USA).
Julich, W., & Stalpers, J. A. (1980). The resupinate non-poroid Aphyllophorales of the temperate northern hemisphere. North-Holland Publishing Company.
Based on microscopic features: Size of conidia, conidia in chains

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= Observer’s choice
= Current consensus

Comments

Add Comment
Thank you!
By: Sarah (Nicaara)
2018-02-06 09:27:41 ACDT (+1030)

Thanks a bunch, I’ve been wondering about that for a while. I’ve seen this stuff in a couple of other locations as well. Last time I checked, the one I linked is still there, perhaps I can go collect some again and take a better look.

It could definitely be the same species
By: Django Grootmyers (heelsplitter)
2018-02-06 07:07:01 ACDT (+1030)

It’s at least almost definitely a Botryobasidium. Without further microscopy, it’s hard to say for sure which species it is.

Thoughts?
By: Sarah (Nicaara)
2018-02-06 00:14:55 ACDT (+1030)

Do you think this could be the same species? http://mushroomobserver.org/301043?q=DVLN

Created: 2018-02-05 14:20:31 ACDT (+1030)
Last modified: 2018-02-07 11:45:11 ACDT (+1030)
Viewed: 79 times, last viewed: 2019-04-11 21:05:51 ACST (+0930)
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