Plantae > Tracheophyta > Magnoliopsida > Rosales > Rosaceae > Horkelia fusca > Horkelia fusca capitata Horkelia fusca capitata (Bighead horkelia)Synonyms: Horkelia capitata (heterotypic); Horkelia fusca var. capitata (homotypic); Potentilla capitata (homotypic); Potentilla douglasii var. capitata (heterotypic)
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