Galanthus Nivalis

Galanthus Nivalis, or the common snowdrop, is a species of plant. This plant can be used in potion-making, and Severus Snape kept a jar of these plants in his office in Hogwarts Castle during the 1990s.

Appearances

 * Harry Potter and the Order of the Phoenix (film)
 * Train Harry Potter et l'Ordre du Phénix