Europe. The hybrid between Equisetum hyemale and E. variegatum, E. × mackaii, is often mistaken for small forms of E. hyemale. I have not seen specimens
3 KB (226 words) - 21:24, 5 November 2020
monograph of Equisetum subgenus Equisetum. Nova Hedwigia 30: 385--455. Equisetum hyemale, Equisetum laevigatum, Equisetum ramosissimum, Equisetum scirpoides
2 KB (153 words) - 21:21, 5 November 2020
81--109. Hauke, R.L. 1979. Equisetum ramosissimum in North America. Amer. Fern J. 69: 1--5. Equisetum subg. Equisetum, Equisetum subg. Hippochaete window
10 KB (489 words) - 15:20, 2 June 2022