Plagiochila paludosa Steph., Sp. Hepat. 6: 195. 1921, syn. nov.

Lectotypus (designated here): ECUADOR. Prov. Morona Santiago: Gualaquiza, “in paludosis fluvii Rio Salado ”, 10.II.1909, Allioni s.n. [ Bryo. Levier 6358] (G [G00121456]!). Syntypi: ibid. loco, “ in trunco arboris silvae supra G. Vega ”, 13.I.1909, Allioni s.n. [ Bryo. Levier 6371] (G [G00121490]!); ibid. loco, “ in silva ad rivum Sapotilla ”, IX.1910, Allioni s.n. [ Bryo. Levier 6618] (G [G00128758]!); ibid. loco, “ in silva densiore obscura, collis Sapotilla ”, V.1909, Allioni s.n. [ Bryo. Levier 6628] (G [G00128759]!); ibid. loco, “ in via ad Rosario ”, VI.1909, Allioni s.n. [Bryo. Levier 6606] (G [G128760]!) .

= Plagiochila heteromalla Lindenb.

Notes. – Plagiochila heteromalla is widespread in the Andes and is distinguished by the (sub)opposite and usually strongly secund leaves with a border of thick-walled cells, a vitta-like basal area, shortly toothed margins, shortly decurrent leaf bases and homogeneous oil bodies (GRADSTEIN, 2016). Plagiochila paludosa is identical to P. heteromalla and a synonym. The new lectotypification of P. paludosa was already proposed by J. Heinrichs on an annotation label.