Trematodon brevicollis Hornsch. ...

• Main Authors: Belkina, Olga A., Vilnet, Anna A.
• Format: Text
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Plantae; Bryophyta; Bryopsida; Dicranales; Bruchiaceae; Trematodon; Trematodon brevicollis; Greenland; Khibiny; Alaska
• Online Access: https://dx.doi.org/10.5281/zenodo.7999757; https://zenodo.org/doi/10.5281/zenodo.7999757

Trematodon brevicollis Hornsch. Flora 2: 88 (1819). DESCRIPTION The specimens from East Sayan differ significantly from those of Khibiny and are similar to Trematodon brevicollis samples from Mongolia, Alaska and West Greenland. Their characteristics are listed in description below. Gametophytes 2-4 mm in height, Leaves Appressed or slightly contorted, 0.7-1.3 mm long and 0.4-0.6 mm wide, oblong or ovate suddenly or gradually narrowed into more or less long lanceolate upper part (apiculus), leaf margins flat, unistratose, leaf cells rectangular and shortrectangular (30-5 × 5 µm × 10-20 µm) in lower part and the same or shorter (16-40 µm long) in upper part of lamina, often irregular, thin walled. Costa 100-175 µm wide, occupying about ¹�₃ of leaf width and filling the uppermost leaf apex, without stereids, in cross section with ventral (adaxial) row of large cells, smaller cells on abaxial side and with equal or just smaller, central cells often with curved walls. Perichaetial leaves Differentiated: the ... : Published as part of Belkina, Olga A. & Vilnet, Anna A., 2019, Trematodon laetevirens Hakelier & J. - P. Frahm and T. brevicollis Hornsch. (Bruchiaceae, Bryophyta) in Russia, pp. 247-258 in Cryptogamie, Bryologie 20 (19) on pages 251-252, DOI: 10.5252/cryptogamie-bryologie2019v40a19, http://zenodo.org/record/7822080 ...