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Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001

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Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch., Mycol Res 105 780 (2001)
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001

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Indigenous, non-endemic
Present
New Zealand
Political Region

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(Fr.) T. Wagner & M. Fisch.
Fr.
T. Wagner & M. Fisch.
2001
780
ICN
species
Fuscoporia wahlbergii

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Phellinus wahlbergii is characterised by hooked setae and subglobose, hyaline spores, 4-5.5 x 3.5-5 µm. Cunningham (1965: 222) mistakenly included F. uncatus as a synonym of Phellinus setulosus (Lloyd) Imaz. but the latter is tropical, typically ungulate, and has large, ventricose, straight setae and larger spores. Australasian specimens included by Cunningham under P. setulosus and P. zealandicus (Cooke) G.H. Cunn. are considered to be conspecific with P. wahlbergii.
A single type collection for F. uncatus was not designated by Cunningham (1948b). Two collections, PDD 5776 and PDD 5777 have the same data as given in the protologue for the type , except for the date, May 1947 vs June 1947. An error in citation of the date in the protologue is suggested. PDD 5776 is herein designated the lectotype of F. uncatus; this specimen has a majority of setae with hooked apices whereas setae in PDD 5777 are mostly straight.
Cunningham (1948b, 1965) described the rot caused by this fungus as brown but as with all species of Phellinus the rot is white.
On trunks: Coromandel (309, 310).
Pileo suberoso-coriaceo, duro, convexo, supra concentrice sulcato, subrugoso, atro-umbrino, margine obtuso, velutino, pallidiore ; corne zonato, ferrugineo; poris praelongis, stratosis, minimis, rotundatus, fusco-ferrugineis, demum caryophyllaceis.
No. 309 is evidently a resupinate form of No. 310. Three to six inches broad, when resupinate extending for nearly a foot. The hymenium is surrounded by a broad sterile, velvety margin, which is scarcely so distinct in the resupinate form. Allied to P. applanatus, Fr., but, quite distinct.
Dysoxylum spectabile (Forst.f.) Hook.f. Auckland. Riverhead, June 1947, G.B.Rawlings, type collection. Metrosideros robusta A.Cunn. Auckland. Sprague's Hill, Henderson, 500 feet, Aug. 1947, Joan Dingley. Metrosideros tomentosa A.Rich. Auckland. Kawau Tsland, 50 feet, Dec. 1947, J.D.Atkinson. Nothofagus menziesii (Hook.f.) Oerst. Southland. Woodlaw State Forest, Nov. 1946, G.B.Rawlings.
Hymenophore perennial, solitary, dimidiate, firm and woody. Pileus ungulate, to 23 cm. x 12 cm. x 8 cm.; surface concentrically sulcate and ridged, at first fawn or ferruginous, becoming umber or black near the base, cuticle to 0.5 mm. thick, black, hard, brittle, of woven hyphae cemented into a layer which tends to crack and flake away save peripherally; margin obtuse, even, tomentose; hymenial surface plane or slightly convex, ferruginous, sterile border 1-3 mm. wide, tomentose, fulvous, dissepiments not toothed. Context 1-5 mm. thick, chestnut-brown or fulvous, hyphae mostly radiately arranged; skeletal hyphae 3-3.5 µ thick, lumen 1 µ, chestnut-brown, sparsely branched, aseptate; generative hyphae 2-2.5 µ thick, delicate walled, branched, septate, hyaline. Pores round, obscurely stratose, each layer 2-5 mm. deep, ferruginous in section, 100-150 µ diameter, or 5-7 per mm.; dissepiments 75-150 µ thick, equal, apex finely velutinate. Sets mostly uncinate, a few subulate. chestnut-brown, 16-36 x 6-8 µ, wall to 2 µ. Basidia clavate, 8-12 x 4-6 µ. Spores globose, subglobose, or broadly obovate, 3.5-5 x :3.5-4 µ, smooth, hyaline.
DISTRIBUTION : New Zealand.
HABITAT : Growing solitary upon bark of standing dead trees, associated with a brown pocket-rot.
Hymenophorum solum, dimidiatum; pileus ungulatus, ad 23 cm. x 12 cm. x 8 cm.; superficies concentricaliter sulcata, hinnulea vel ferruginea, demum umbrina vel nigra, cuticula ad 0.5 mm. crassa, nigra, inveterata, fragilis; superficies hymenialis plana vel leviter convexa, ferruginea. Contextus 1-5 mm. crassus, castaneus vel fulvus; hyphae skeletales 3-3.5 µ crassae, castaneae, sparse brachiatae, aseptatae; hyphae generativae 2-2.5 µ crassa brachiatae, septatae, hyalinae. Pori rotundati, coriomquisque 2-5 mm., in altitudinem, ferrugineo, 5-7 per mm.; dissepimenta 75-150 µ crassa. Seta plerumque uncinatae, castaneae, 16-36 x 6-8 µ. Sporae globosae, subglolbosae, vel late obovataae, 3.5-5 x 3.5-4 µ, leves, hyalinae.
Separated from F. hamatus, which the species resembles in several features, including hooked setae, by the ungulate pileus and presence of a definite cuticle. Most setae are hooked, with apices turned towards the hymenium, or at least at right-angles; a few are subulate.
Dysoxylum spectabile (Forst.f.) Hook.f. Auckland. Riverhead, June 1947, G.B.Rawlings, type collection.
This fungus was described from New Zealand by Cooke in 1879 from Coromandel, New Zealand; Cunningham (1948f) listed it as occurring on five hosts but confused the species with F. senex. Gilmour (1966a) states that it is a common white heart rot on some endemic forest trees.
Type: Lignicolous Fungi; Description: Basidiomata perennial, solitary or with overlapping pilei, leathery to woody, attached by a broad lateral base. Pilei applanate, occasionally effused-reflexed, 50–250 mm wide, 5–20 mm thick. Pileus surface tomentose, narrowly banded in sulcate to flat zones, reddish brown to umber. Pore surface even, deep rusty brown to chestnut brown; pores small, 7–8 per mm. Context chestnut brown, up to 5 mm thick. Hyphal system dimitic. Setae hooked or less commonly straight, or both hooked and straight in the same fruiting body, acuminate, 15–30 × 6–9 μm, dark brown. Basidiospores subglobose, 4–5 × 3–4 μm, smooth, hyaline to pale yellow.
Distribution: Northland, Auckland, Coromandel, Waikato, Bay of Plenty, Taranaki, Taupo, Wellington, Westland, Southland, Stewart Island.; 1st Record: Cunningham (1948d: as Fomes hamatus — see Cunningham 1949); Buchanan & Ryvarden (2000).
Significance: The cause of a white-pocket rot in living trees, which has little significance.; Host(s): Dacrydium cupressinum, Dysoxylum spectabile, Elaeocarpus dentatus, E. hookerianus, Metrosideros excelsa, M. robusta, Nothofagus fusca, Weinmannia racemosa.
[Kew types, Johnston 2010] Polyporus zealandicus Cke 1879 and P. zealandicus Cke 1888 both cite specimen Kirk 309. The 1879 name also cites a specimen 310, not photographed. The two names are placed in synonymy with Phellinus zealandicus by Cunningham 1963, this in turn placed in synonymy with Phellinus wahlbergii by Buchanan & Ryvarden 2000. These latter authors, however, place P. zealandicus Cke 1888 in synonymy with Bondarzewia berkleyi (perhaps based on Kirk 310??).

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Fomes senex sensu Lloyd (1915)
Fomes zealandicus (Cooke) Cooke 1885
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. (2001)
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001
Phellinus pomaceus sensu McKenzie 1991
Phellinus wahlbergii (Fr.) D.A. Reid (1975)
Phellinus wahlbergii (Fr.) D.A. Reid 1975
Phellinus wahlbergii (Fr.) D.A. Reid 1975
Phellinus wahlbergii (Fr.) D.A. Reid 1975
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001
Trametes wahlbergii Fr. 1848
Fuscoporia wahlbergii (Fr.) T. Wagner & M. Fisch. 2001

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ab4aef8f-1d73-44af-9b92-202e2a88f436
scientific name
Names_Fungi
8 January 2003
14 August 2012
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