Orthotrichaceae Arn.

Orthotrichum gracile Hook.

, legitimate

, scientific

Hooker, W.J. (1818), Musci Exotici 1

:

27

[comb. nov.]

Schwägrichen, C.F. (1823), Species Muscorum Frondosorum, Supplementum Secundum 1(1)

:

39

[basionym]

basionym of:

Macromitrium gracile (Hook.) Schwägr.

legitimate