Galanthus this study corresponded to clade nivalis, subseries "Glaucaefolii" with clade Elwesii and subseries "Viridifolii" with clades Woronowii and Alpinus. However, the model did not provide complete resolution. "sensu" Ronsted et al. 2013 "Galanthus" is derived from the Greek γάλα ("gala"), meaning "milk" and ἄνθος ("anthos") meaning "flower", alluding to the colour of the flowers. The epithet "nivalis" is derived from the Latin, meaning "of the snow". The word "Snowdrop" may be derived from the German "Schneetropfen" (Snow-drop), the tear drop shaped pearl earrings popular in the sixteenth and seventeenth centuries. Other, earlier, common names include Candlemas bells, Fair maids of
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.