Lycopodium selago(Fir Club Moss)
Latin lycopodium, wolf's foot ; selago, Pliny's name for Lycopodium, from a Celtic name for a Druidic plant, Juniperus sabina.
According to Hulten (1968, pg 25), this club moss is also known as Huperzia selago. It is one of several varieties of this species complex which is widely distributed in the circumpolar regions. He claims it contains a poisonous alkaloid.