Schemes including Equisetum arvense

• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.153749) Equisetum arvense
• Calflora (3022) Equisetum arvense
• New England Wild Flower Society's Flora Novae Angliae Equisetum arvense
• NatureWatch NZ Equisetum arvense
• GBIF (2687921) Equisetum arvense