English: Horsetail; Field horsetail; Bottle brush; Horse pipes.
Dutch: Heermoes.
Clades:
Equisetaceae;
Equisetales;
Equisetanae;
Pteridophyta;
Plants.
Content: Silicon, up to 80%; toxic alkaloid, palustrine, saponoside; equisetonoside, enzyme; thiaminase; capable of destroying vitamin B1; isoquercetin, quercetin 3-O-glucoside, quercetin 3-O-(6''-O- malonylglucoside), 5-O-caffeoyl meso-tartaric acid, monocaffeoyl meso-tartaris acid, monocaffeoyl meso-tartaris acid, di-E-caffeoyl-meso-tartaric acid, hexahydrofarnesyl acetone, cis-geranyl scetone, thymol, and trans-phytol.