Galanthus reginae-olgae epithet "reginae-olgae" means 'of Queen Olga'; Olga Constantinovna of Russia was then Queen of Greece. The species (or when divided into subspecies, its autonymous subspecies) has been treated as "Galanthus nivalis" subsp. "reginae-olgae". Other regularly used synonyms include "G. olgae" and "G. corcyrensis". The name "Galanthus corcyrensis" has been particularly used for plants that flower in the autumn with the leaves rather than before them. The species has been divided into two subspecies, distinguished by the time of flowering: There is however no sharp division between these two subspecies. "Galanthus reginae-olgae" is native to Sicily and parts of the Balkans,
Chlamydomonas nivalis be mass produced for its astaxanthin. The snow algae itself is likely safe to eat as there is no evidence supporting that it would cause diarrhea when ingested. Chlamydomonas nivalis Chlamydomonas nivalis is a unicellular red-coloured photosynthetic green alga that is found in the snowfields of the alps and polar regions all over the world. They are one of the main algae responsible for causing the phenomenon of watermelon snow, where patches of snow appear red or pink and emit a ripe watermelon odour upon disturbance. The first account of microbial communities that form red snow was made by Aristotle.