Taxa: Equisetum hyemale, Equisetum hyemale subsp. affine (Hippochaete hyemalis f. affinis, Equisetum affine, Equisetum hyemale var. affine, Equisetum hyemale var. californicum, Equisetum hyemale var. elatum, Equisetum hyemale var. intermedium, Equisetum hyemale var. pseudohyemale, Equisetum hyemale var. r
... (show all)obustum, Equisetum praealtum, Equisetum robustum), Equisetum hyemale subsp. hyemale (Hippochaete hyemalis)