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Nival

adj

Adjective

1
Abounding with snow; snowy; snow-covered (now especially in reference to plant habitats).
"The observed climate warming during the twentieth century has affected alpine vegetation by increasing vascular plant species richness on nival mountain tops […]"
2
Found or thriving in snowy conditions.
"In 1884 O. Heer published a comprehensive account of the nival flora of Switzerland, in which he listed 338 species of flowering plants found above 2600 m.; of these, 6 were found above 3900 m."

From Latin nivalis, from nix, nivis (“snow”).

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