Galanthus number of species are on the IUCN Red List of threatened species, with the conservation status being "G. trojanus" as critically endangered, four species vulnerable, "G. nivalis" is near threatened and several species show decreasing populations. "G. panjutinii" is considered endangered. One of its five known sites, at Sochi, was destroyed by preparations for the 2014 Winter Olympics. "Galanthus" species and cultivars are extremely popular as symbols of spring and are traded more than any other wild-source ornamental bulb genus. Millions of bulbs are exported annually from Turkey and Georgia. For instance export quotas for 2016 for "G. elwesii" are
Chlamydomonas nivalis become one of the most well-studied snow algae. Although its taxonomy is still being settled, the life cycle of this snow algae is now much better understood. The historical disputes about the classification and misclassification of specimens have resulted in a number of names from older publications that all mean to refer to "C. nivalis". These are: "Uredo nivalis", "Sphaerella nivalis", "Protococcus nivalis", and "Haematococcus nivalis". "C. nivalis" has been reported worldwide in mountainous regions, polar regions, or snowfields of every continent. It is the most abundant snow algae and typically composes the majority of cells identified in specimens taken