A Grammatical Dictionary of Botanical Latin

niveus,-a,-um (adj.A): “snow-white, the purest white” (Lindley); snowy, snowy-white [> L. nix (s.f.III) gen.sg. nivis, snow];

- (fungi) cupula extus in aliis hirtiuscula, hirsutie in tomentum basin cingens lignoque irrepens byssino - filamentosum delicatum niveum, dein pallens, demum obliteratum (S&A), the cupule externally in some [sc. species] somewhat hirsute [i.e. roughly hairy], with the hairiness surrounding the base in a tomentum, and on wood [the tomentum] creeping in a delicate snow-white, cottony-filamentous, then growing pale, finally obliterated.

- (fungi) suborbicularis effusave tenera aquoso-alba subhyalina ad tactum cruentata, margine dense byssino niveo demum subevanido (S&A), suborbidular or diffuse, delicate, watery-white nearly hyaline [i.e. transparent], staining blood-red to the touch, with the margine densely cottony, snow-white, finally nearly disappearing.

- bacca subrotunda, leviter compressa, nivea (Schwartz), the berry nearly round, lightly compressed, snow-white.

- flores umbellati, coccíneo - fulvi, 1. nivei (Schwartz), the flowers umbellate, scarlet-red-orange, or [vel] snow-white.

- Hieracium foliis latis leviter dentatis subtus niveis (Swartz), a Hieracium with leaves wide, lightly dentate, underneath snow-white.

- lobis mediis calycis niveis (F. Mueller), with the middle lobes of the calyx snow-white.

- pappus niveus (F. Mueller), the pappus snow-white.

- Chile australis in rivulis niveis in jugis Andium inter montem ignivomum Antuco et la Sierra vellada (Mueller), southern Chili in snowy rivulets in the ridges of the Andes between the volcanic mountain Antuco and the Sierra vellada.

- foliis subtus niveo-tomeutosis (DeCandolle), with the leaves snowy white-tomentose underneath.

Schoenus niveus; Silene nivea, the Snowy Campion, a species with white petals; Habenaria nivea, the Snowy Orchis, with a white perianth (Fernald 1950).