Riccia mauryana Steph.

Riccia mauryana Stephani, Bull. Herb. Boiss. 6: 327. 1898
Thalli medium-sized, 10-12 mm. long, 2 or 3 times furcate, with wide-angled dichotomies, minutely and compactly reticulate above, nearly smooth on drying, light-green above, concolorous below; main segments oblong or linguiform, 2-3 mm. wide; terminal segments similar or shorter, obtuse; margins acute, ascending; median sulcus narrow, deep, and acute; scales rather large, whitish or hyaline, entire, reaching the margin or slightly projecting toward the apex; transverse sections subquadratetrapezoidal with deep reentrant angle on dorsal side, mostly 2 or 3 times as broad as high, about 25 cells thick in median parts, the ventral outline convex or somewhat rectilinear; dorsal epidermis 2or 3-stratose, the cells of the primary stratum soon collapsing, leaving rather persistent shallow cups 20-40 fi wide, these commonly with indurated bases. Dioicous (?); antheridial ostioles not elevated; spores (according to Stephani) 85 /x in diameter, blackish, densely and minutely papillate.
Type locality: Cerro de Guadalupe (near City of Mexico?), Mexico. Distribution: Mexico.

Riccia mauryana là một loài rêu trong họ Ricciaceae. Loài này được Stephani mô tả khoa học đầu tiên năm 1898.