Arthromeris mairei
 Arthromeris mairei is a fern species in the genus Arthromeris.Two afzelechin glycosides arthromerin A (afzelechin-3-O-β-D-xylopyranoside) and arthromerin B (afzelechin-3-O-β-D-glucopyranoside) can be isolated from the roots of A. mairei.