Phascum recurvirostrum Müll. Hal. in Flora 71: 5. 1888 .

Ξ Tetrapterum recurvirostre (Müll. Hal.) Broth. in Engl., Nat. Pflanzenfam. ed. 2, 10: 253. 1924.

Type citation. – “Yuguaron [Yaguaron], ad vias cavas, Julio 1879, Balansa 3657 ”.

Type specimens. – Syntypes: Yaguaron, sur le talus des chemins, juillet 1879, Balansa 3657 (G [1885], G00042349; Herb. Boiss., G00042347; Herb. DC. [1884], G00042351) .

Type designation. – None found.

Comments. – Number 3657 was published as Hymenostomum balanseanum Besch. in BESCHERELLE (1885: 17) before being used as the type of Phascum recurvirostrum by Müller.