Protohydnum galzinii (Bres.) Spirin & R.H. Nilsson 2025
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Protohydnum galzinii (Bres.) Spirin & R.H. Nilsson, MycoKeys 120 366 (2025)
Protohydnum galzinii (Bres.) Spirin & R.H. Nilsson 2025
Nomenclature
Spirin & R.H. Nilsson
Bres.
(Bres.) Spirin & R.H. Nilsson
2025
366
ICN
species
Protohydnum galzinii
Classification
Synonyms
Descriptions
Basidiocarps waxy gelatinous, effused, adnate, when fresh hyaline with pallid yellow or bluish tint; upon drying becoming a nearly invisible film to an ochraceous to dark brown, vernicose layer, usually with a vinaceous tinge; surface smooth to undulate, pruinose to faintly granulose ; in section basidiocarps 75-650 µm in thickness, consisting of a narrow, basal, prostrate layer composed of indistinct, agglutinate hyphae, 2-3 µm in diam and a broad ascending layer composed of gloeocystidia, dikaryophyses, and fertile hyphae ; several growth layers sometimes present, each consisting of prostrate and ascending layers; gloeocystidia initially hyaline but developing yellow-granular contents and becoming flexuous, subcylindrical to narrow subclavate or subfusiform, 30-175(-250) x (2-)3-7.5 µm, sometimes extending through 1 or more strata; dikaryophyses numerous, with long, irregular, apical branches, nodulose, 1-2 µm in diam, forming a relatively distinct layer above the hypobasidial layer; fertile hyphae nodulose, forming basidia by proliferation through or near a subbasidial clamp connection, 1.5-3 µm in diam; basidia petiolate, arising as narrow clavate or pyriform probasidia and becoming differentiated into basal stalks and terminal hypobasidia ; stalks subcylindrical, usually expanding apically, 5-36.5 x 2-4.5 µm; hypobasidia elongate, oval, to narrow obovate, with 2 to 4 hypobasidial segments, (10.5-)14-24 x 8.5-13.5 µm; epibasidia cylindrical, up to 50 µm in length, 2-4 µm in diam; basidiospores short cylindrical-curved elliptical, or ovate and flattened adaxially, (8-)9-13 x (4.5-)5.5-8 µm, capable of germinating by repetition.
Known from southern North America (i.e., Louisiana) ; Central and South America, including the Galapagos Islands; Hawaii; Marshall Islands; Society Islands; New Zealand; England; France; Germany; Czechoslovakia; Morocco.
On decaying angiosperm wood.
Taxonomic concepts
Bourdotia galzinii (Bres.) Bres. & Torrend
Bourdotia galzinii (Bres.) Bres. & Torrend (1913)
Bourdotia galzinii (Bres.) Bres. & Torrend (1913)
Bourdotia galzinii (Bres.) Bres. & Torrend (1913)
Exidiopsis galzinii (Bres.) Killerm.
Metadata
a3576a70-617d-4380-a054-073d9ea1400f
scientific name
Names_Fungi
20 August 2025
19 August 2025