Trematodon boasii

Leaves long-lanceolate, weakly dentate at apex; costa excurrent. Seta short, 1-4 mm. Capsule erect, straight; neck short, slightly longer than the urn, tapering-conic; peristome teeth undivided, not fragile, commonly persistent; annulus simple, persistent.

Capsules mature probably summer. Late snowbed site; moderate elevations; B.C., Nfld. and Labr. (Nfld.).