Galanthus in the north, Italy, northern Greece, Bulgaria, Romania, Ukraine, and European Turkey. It has been introduced and is widely naturalised elsewhere. Although it is often thought of as a British native wild flower, or to have been brought to the British Isles by the Romans, it was probably introduced around the early 16th century and is currently not a protected species in the UK. It was first recorded as naturalised in the UK in Worcestershire and Gloucestershire in 1770. Most other "Galanthus" species are from the eastern Mediterranean, but several are found in southern Russia, Georgia, Armenia, and Azerbaijan. "Galanthus
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.