"Equisetum" ("horsetail") is a truly fascinating "living fossil" plant. It is the single surviving genus of a group of plants, dominant in the age before the dinosaurs (100m+ years ago): https://www.eurekalert.org/pub_releases/2011-05/ajob-ndp050411.php https://en.wikipedia.org/wiki/Equisetum #Biophilia #Nature
