Galanthus Spanish and French Pyrenees in the west through to the Caucasus and Iran in the east, and south to Sicily, the Peloponnese and the Aegean, Turkey, Lebanon and Syria. The northern limit is uncertain because "G. nivalis" has been widely introduced and cultivated throughout Europe. "G. nivalis" and some other species valued as ornamentals have become widely naturalized in Europe, North America and other regions. "Galanthus nivalis" is the best-known and most widespread representative of the genus "Galanthus". It is native to a large area of Europe, stretching from the Pyrenees in the west, through France and Germany to Poland
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