Equisetum hyemale subsp. moorei (Newman) Moore & More, 1866 | Equisetum hyemale var. moorei (Newman) Hook. & Arn., 1862 | Equisetum hyemale var. occidentale Hy, 1890 | Equisetum x occidentale (Hy) H.J.Coste, 1906 | Equisetum x samuelssonii W.Koch ex Rothm., 1944 | Equisetum x trachyodon auct. non (A.Braun) W.D.J.Koch, 1845, sensu Boreau | Equisetum x trachyodon var. moorei (Newman) Newman ex H.C.Watson & Syme, 1857 | Hippochaete x moorei (Newman) H.P.Fuchs, 1963 | Hippochaete x samuelssonii (W.Koch) Rothm., 1944