Children (13 direct children, 13 direct and indirect children):
Horkelia fusca var. brownii
Horkelia fusca var. capitata
Horkelia fusca var. filicoides
Horkelia fusca var. fusca
Horkelia fusca var. parviflora
Horkelia fusca var. pseudocapitata
Horkelia fusca var. tenella
Horkelia fusca subsp. tenella
Horkelia fusca capitata
Horkelia fusca filicoides
Horkelia fusca fusca
Horkelia fusca var. tenuiloba
Horkelia fusca subsp. pseudocapitata