The name Antrodia albida has been widely used in New Zealand for a pale, resupinate brown-rot polypore, but no confirmed NZ material matches the Northern Hemisphere species. The NZ taxon likely represents an undescribed or misapplied species within Antrodia or a related genus such as Fibroporia. Until a modern revision is completed, the name persists in herbaria and checklists as “A. albida sensu auct. NZ”.

Basidiome: resupinate to effused-reflexed, forming thin, spreading patches on dead wood. Pore surface white to cream, sometimes yellowish in age; pores round to angular, 3-5 per mm, tube layer thin. Margin thinning, white, often indistinct.
Hyphal system: monomitic; generative hyphae hyaline, thin, to slightly thick-walled, simple-septate. Brown-rot of substrate typical.
Spores: smooth, hyaline, cylindrical to narrowly ellipsoid, approx. 4-6 x 1.5-2 µm (based on overseas material; NZ measurements poorly documented).
Context: soft-corky, pale buff to whitish.