Galanthus nivalis can be helpful in the treatment of Alzheimer's disease, though it is not a cure. Snowdrops contain also an active lectin or agglutinin named GNA for "Galanthus nivalis agglutinin". Potatoes have been genetically modified with the GNA gene. In 1998 Árpád Pusztai said in an interview on a World in Action programme that his group had observed damage to the intestines and immune systems of rats fed the genetically modified potatoes. He also said "If I had the choice I would certainly not eat it", and that "I find it's very unfair to use our fellow citizens as guinea pigs".
Caladenia nivalis description was published in "Nuytsia". The specific epithet ("nivalis") is a Latin word meaning "snowy" or "of snow" referring to the bright white flowers of this species. The exotic spider orchid occurs between Cape Naturaliste and Moses Rock in the Jarrah Forest and Warren biogeographic regions where it grows in peppermint woodland, coastal heath and in granite crevices. "Caladenia nivalis" is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. Caladenia nivalis Caladenia nivalis, commonly known as the exotic spider orchid or crystalline spider orchid, is a species of orchid endemic to the south-west of