Oxytropis nigrescens var. bryophila (Greene) Lepage Dataset Database of Vascular Plants of Canada (VASCAN) Rank VARIETY Classification class Equisetopsida order Fabales family Fabaceae genus Oxytropis species Oxytropis nigrescens Name Homonyms Oxytropis nigrescens var. bryophila (Greene) Lepage Oxytropis nigrescens subsp. bryophila (Greene) Hultén