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Moss China | Family List | Moss China V. 1 | Sphagnaceae | Sphagnum

19. Sphagnum lenense H. Lindb. ex Pohle, Acta Horti Bot., Acad. Sci. 33: 14. 1915.


Sphagnum lindbergii ssp. lenense (H. Lindb. ex Pohle) Podp., Consp. Musci Eur. 33. 1954.

Plants medium-sized, orange brown to nearly copper-colored when wet, shiny, reddish brown when dry, in compact tufts. Stem cortex in 3–4 layers, hyaline cells thin-walled, without fibrils and pores; central cylinder brownish. Stem leaves 0.6–0.8 mm × 0.5–0.6 mm, broadly oblong-ligulate, strongly lacerate at the apex, forming a sieve-like, triangular area, sometimes split down to the middle; borders narrowly differentiated; hyaline cells undivided, without fibrils and pores, often with membrane pleats. Branches in fascicles of 4–5, with 2 spreading. Branch leaves 0.8–1.1 mm × 0.5–0.7 mm, more or less appressed, spirally arranged, oblong-lanceolate, blunt and denticulate at the apex, bordered by 1–2 rows of linear cells; hyaline cells with a few rounded pores at the ends and along commissural rows on the ventral surface, with rather large, rounded pores at one or both ends, numerous small, elliptic pores along commissural rows on the dorsal surface; green cells in cross section trapezoidal, exposed more broadly on the dorsal surface. Dioicous. Sporophytes not seen.

Type. Russia: Siberia, A. K. Cajander s.n. 1901.

Chinese specimens examined: HEILONGJIANG: Hong Xing, Vitt 34970 (ALTA, MO).

Habitat: in open sedgy bogs; Distribution: China, Russia (Siberia), Alaska, Greenland, North America, and northern Europe.

Illustrations: Crum 1984 (Fig. 28, a–m); Crum 1986 (Fig. 18).


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