“Siberian Fir Needle Oil, in the United States called Siberian Pine needle oil is derived from the leaves (needles) of a true fir, Abies Sibirica,
Oils that are steam distilled from leaves and twigs of various Abies-, Larix-, Picea-, and Pinus species are sold under the name of Fir Needle Oil”
Arctander, Steffen . Perfume and Flavor Materials of Natural Origin (p. 292).