Children (6 direct children, 6 direct and indirect children):
Equisetum hyemale subsp. affine
Equisetum hyemale hyemale
Equisetum hyemale subsp. hyemale
Equisetum hyemale var. californicum
Equisetum hyemale var. mackaii
Equisetum hyemale var. affine
Equisetum hyemale f. hondae