1760 Epidendrum rigidum var. angustisegmentum L.O.Williams 1946 is a synonym for E. angustisegmentum (L.O.Williams) Hágsater 1999 Flora of North America 26(609)downloaded in October, 2009 from
1760 Epidendrum rigidum var. angustisegmentum L.O.Williams 1946 là một đồng âm của E. angustisegmentum (L.O.Williams) Hágsater 1999 ^ Flora of North America 26(609)downloaded in October, 2009 from Commons