Equisetaceae
English: Horsetail family.
Dutch: Paardestaart familie.
Botany: 1 genus, Equisetum; 20 species.
Content: silicon.
Taxonomy
Equisecaceae is the only Family in the Order Equisetales, in the Phylum Pteridophyta.
In the Plant theory Equisetaceae are placed in Subphase 4. They have a very high content of Silicon.