Microdus paraguensis Besch. in J. Bot. (Morot) 5: 145. 1891 .

Ξ Leptotrichella paraguensis (Besch.) Ochyra in Fragm. Florist. Geobot. 42: 563. 1997 .

Type citation. – “Paraguay: Péribébui, Balansa 3661 ”.

Type specimens. – Syntypes: Cordillère de Peribébui, dans les terrains dénudés, juillet 1879, Balansa 3661 (G [1885], G00040428; Herb. Boiss., G00040425; Herb. Boiss., G00040427; Herb. DC., G00042267) .

Type designation. – Type designation not indicated in OCHYRA (1997).

Comments. – Number 3661 was also used as the type for Conomitrium polycarpum Besch. (= Fissidens hornschuchii Mont.) with locality information “Paraguay” by BESCHERELLE (1891b: 252).

Specimen. – Yaguaron, sur les berges humides des ruisseaux, juillet 1879, Balansa 3659 (Herb. Boiss., G00040424) .