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Species Information
Summary: Features include 1) a white to grayish white or buff non-zoned bracket-like fruitbody, relatively thick with a rounded margin, 2) relatively large pores, 3) a pleasant anise smell when fresh, and 4) growth on Salix and Populus. Haploporus odorus (L.) Donk is a synonym according the online Species Fungorum, accessed Sep. 12, 2018, but not Haploporus odorus (Sommerf.) Bondartsev & Singer.
Trametes suaveolens has been found in BC, ID, AB, MB, NB, NS, ON, PQ, YT, AK, AZ, CT, GA, IA, KS, MA, ME, MN, MO, MT, NH, NJ, NY, OH, PA, SD, UT, VT, WI, and WY, (Gilbertson). It also occurs in Europe and Asia (Breitenbach).
Cap: up to 14cm wide, bracket-like, dimidiate [roughly semicircular] or elongate, (rarely entirely flat pore surface); cream to buff; finely tomentose to bald, not zoned, smooth; margin rounded, (Gilbertson), 2-12(15)cm along wood, projecting 1.5-8cm, 1.5-4cm thick at attachment, bracket-like, semicircular, broadly attached; white to grayish white, ocher-brownish when old; even to slightly undulating, velvety-tomentose; margin sharp, (Breitenbach)
Flesh: up to 0.35cm thick, soft-corky, zoned; white to cream, (Gilbertson), when fresh corky, soft, tough, when dry corneous, hard, tough, light; white, (Breitenbach)
Pores: 2-3 per mm, circular to angular, thick-walled; cream to pale buff; tube layer up to 1cm thick, colored as flesh or slightly darker than flesh, (Gilbertson), 1-2(3) per mm, "rounded angular to oblong"; "white then ocherish to brown"; tube layer up to 1(1.5)cm thick, (Breitenbach)
Odor: pleasant anise when fresh, (Gilbertson), conspicuous anise when fresh (Breitenbach)
Taste: indistinct (Buczacki)
Microscopic: spores 9-12 x 4-4.5 microns, cylindric, smooth, inamyloid, colorless, thin-walled; basidia 4-spored, 22-40 x 6-7 microns, clavate, with basal clamp; cystidia absent; hyphae trimitic, generative hyphae of context 3-5 microns wide, "thin-walled, rarely branched, with clamps", skeletal hyphae of context 4-7.5 microns wide, "thick-walled, nonseptate, rarely branched", binding hyphae of context 2.5-5 microns wide, "thick-walled, much branched"; hyphae of trama similar, (Gilbertson), spores 7-11 x 3-3.5(4) microns, cylindric to slightly curved, smooth, inamyloid, colorless, (Breitenbach)
Spore Deposit: white (Buczacki)
Habitat / Range
annual, most common on Salix (willow) and Populus, also reported on Betula (birch) and Abies (fir), associated with white heartrot of living hardwoods and also on stumps, (Gilbertson), single or imbricate [shingled], often concrescent, on "old, dead or still living trunks and branches of Salix (willow)", (Breitenbach)
Similar Species
Haploporus odorus is similar macroscopically and has and anise odor, but it is slightly darker in color, grows only on Salix (rarely Fraxinus), has a restricted range, and spores are smaller and finely spiny, (Gilbertson). Gloeophyllum odoratum inhabits conifer logs and fallen branches and has brown flesh (Ginns). Ischnoderma resinosum has a dark brown cap and spores only 4-7 microns long (Ginns).
