Galanthus and water if disturbed by floods. Some snowdrop species are threatened in their wild habitats, due to habitat destruction, illegal collecting and climate change. In most countries collecting bulbs from the wild is now illegal. Under CITES regulations, international trade in any quantity of "Galanthus", whether bulbs, live plants, or even dead ones, is illegal without a CITES permit. This applies to hybrids and named cultivars, as well as species. CITES lists all species but allows a limited trade in wild-collected bulbs of just three species ("G. nivalis", "G. elwesii", and "G. woronowii") from Turkey and Georgia (see Horticulture). A
Galanthus nivalis numerous named cultivars of "G. nivalis", single, semi-double, double and "poculiform" (meaning goblet or cup-shaped, this refers to flowers with inner segments that are almost the same shape and length as the outer ones). Apart from these traits they differ particularly in the size and markings of the flower and the period of flowering; other characteristics are less obvious to the untrained eye and are mainly of interest to "galanthophiles". In the UK and Ireland, many gardens open specially in February for visitors to admire the flowers. These displays may attract large numbers of sightseers. Some feature extensive displays of