Listera sp Taxonomy: Listera, Orchidaceae Category: Monocot Scientific NameListera sp FamilyOrchidaceaeCommon Nameslistera, twaybladeEastern WashingtonNativeSynonymsConservation StatusNotes Click on any image to enlarge it. Skookum Lk rd. at 48 24 787N 117 06 091W – Pend Oreille Co., WASkookum Lk rd. at 48 24 787N 117 06 091W – Pend Oreille Co., WAMeadow Lk rd to Ione; 48 44 004N 117 34 108W (1.4 m w of FR 430) – Pend Oreille Co., WA