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Bedwell Centennial Trail, 185m, on Alnus

On wood railing

At first I thought Ptilidium pulcherrimum, but I think they are etiolated specimens of P.ciliare

Ptilidium ciliare cf, Kronotzki State Reserve, Barmotina River, on Betula ermanii, leg. D. Lämmel, Sammlung MLU Halle

葉は長卵形、葉身細胞の表面にいちじるしいベルカ

葉身細胞は平滑。
幅3mm以下、トリゴンが大きい。

Reserva Curi Cancha, Monteverde, Costa Rica

I really don't know what that green stuff is but all the suggestions iNat wanted to make were in this Phylum so I'll start with this.

Wallings Reservoir Antigua

Wallings Reservoir, Antigua

裂片基部の幅は10細胞以下。縁の長毛は5-10ほど。
油体は微粒の集合。