Dusenia cuspidata Müll. Hal. in Hedwigia 36: 108. 1897 .

= Forsstroemia trichomitria (Hedw.) Lindb., fide STARK (1987: 191), see note in O’SHEA & PRICE (2008: 30).

Type citation. – “Paraguay, sine loco natali, Balansa Coll. No. 3662 ”.

Type specimens. – Lectotype: Guarapi, sur le tronc des arbres, 10 août 1881, Balansa 3662 (G [1885], G000 42104) . Isolectotypes: (Herb. Boiss., G00042103; Herb. DC. [1884], G00042102) .

Type designation. – STARK (1987: 191): lectotype (G).

Comments. – Number 3662 was named “ Lasia subcoronata Besch. ” by BESCHERELLE (1885: 18) before being used by MÜLLER (1897) as the type of Dusenia cuspidata .