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FNA | Family List | FNA Vol. 27 | Ditrichaceae | Trichodon

1b. Trichodon cylindricus var. oblongus (Lindberg) Podpera, Consp. Musc. Eur. 97. 1954.

Trichodon oblongus Lindberg, Öfvers. Kongl. Vetensk.-Akad. Forh. 21: 226. 1864; Ditrichum boreale (R. S. Williams) Grout

Seta 0.3-1.3 cm. Capsule erect, straight to weakly arcuate, (0.5-)1-1.5(-2) mm. Spores 19-24 µm.

Capsule maturity date not determined. Clay soil, exposed and disturbed sites; elevations not recorded; N.W.T., Yukon; Alaska; Europe.

Variety oblongus is an arctic taxon that differs from var. cylindricus only in the shorter setae, shorter capsules that are more erect and often nearly straight, and somewhat larger spores.


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