Synonyms
Yucca angustifolia f. genuina Engelm.
Yucca glauca var. gurneyi McKelvey
Yucca angustifolia var. stricta (Sims) Baker
Yucca stricta Sims
Yucca angustifolia f. stricta (Sims) Voss
Yucca glauca var. stricta (Sims) Trel.
Yucca glauca rosea D.M.Andrews
Yucca glauca f. rosea (D.M.Andrews) Rehder
Yucca glauca subsp. albertana Hochstätter
Yucca glauca subsp. stricta (Sims) Hochstätter