Summary:
Features include 1) resupinate growth on wood, 2) a fruitbody color ranging from whitish to orange to yellow to gray to brown, 3) a surface that is grandinioid to odontioid, with brush-like encrusted bundles of ''cystidia'' on the tips of the teeth, the bundles visible through a hand lens, 4) a margin that is narrow, whitish, and fringed, 5) spores that are broadly elliptic, smooth, inamyloid, and colorless, 6) basidia with a stem-like base without clamp connection, and 7) a monomitic hyphal system, the hyphae without clamp connections.

Microscopic:
SPORES (6)7-9(10) x 4-5.5(6) microns, broadly elliptic with broadly rounded ends, smooth, inamyloid, thin-walled, colorless, acyanophilic, "often with oily-granular contents", spore print creamy white on black paper; BASIDIA 4-spored, 35-50 x 6-7 microns, clavate to cylindric; CYSTIDIA "scattered or in fascicles 30-50 microns diam., especially at the apices of the warts, cylindrical, 4-8 microns diam., imbedded or projecting to 100 microns, the wall hyaline, thin, heavily encrusted"; HYPHAE monomitic: generative hyphae 3-4(7) microns wide, with simple septa, "next to the substrate parallel, closely packed, horizontal, some specimens with some hyphae encrusted with numerous, pale yellow granules 2-5 microns diam., the wall hyaline, thin to 0.5 microns thick", (Ginns(21)), SPORES 7-10 x 4-6 microns, elliptic, smooth, thin-walled, with oil droplets in protoplasm, colorless but spore deposit yellow; BASIDIA normally 4-spored, mostly 35-50 x 6-7 microns (sometimes longer), clavate, often tapering at base into stem-like part; CYSTIDIA "none, but in the apical part of the aculei cystidioid hyphae, which become heavily encrusted"; HYPHAE monomitic, with hyphae about 3 microns wide, thin-walled, without clamp connections, mostly vertical, (Eriksson), SPORES 8-11 x 5-6 microns, broadly elliptic, smooth, inamyloid, colorless, often with one droplet; BASIDIA 4-spored, 40-50 x 6-7 microns, narrowly clavate, with stem-like base that lacks clamp connection; CYSTIDIA none, but cystidia-like encrusted HYPHAL ENDS at tips of teeth agglutinated to form bundles; HYPHAE monomitic 2-3 microns wide, septa without clamp connections, (Breitenbach)

Notes:
Hyphodermella corrugata has been found in BC, WA, MB, ON, AZ, CA, CO, IA, KS, NM, and NY, (Ginns(5)), France, Italy, and Portugal, (Ginns(21)), and Denmark and Norway (common in central Europe but rare in northern Europe), (Eriksson).

Synonyms and Alternate Names:
Byssonectria lateritia (Fr.) Petch
Peckiella lateritia (Fr.) Maire