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Showing results for isoëtes hyemale. Search instead for isoetes hyemalis.
- Equisetum X ferrissii (E. laevigatum X hyemale) was construed as a "variety" of one of the parents, E. hyemale. The fertile hybrid, Dryopteris clintoniana (D69 KB (10,503 words) - 23:43, 13 February 2019