Synthetics
2,4-hexadien-1-ol has no known smell.
Mosciano, Gerard P&F 25, No. 5, 72, (2000): Slight musty and green with a sweet marzipan, raw almond nutty note with a vegetative and a slight whiskey nuance
Luebke, William tgsc, (1989): Musty green sweet herbal almond nutty
Bedoukian Research: Fresh green, pineapple herbal