Flora of North America species comparison

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Sphagnum tundrae
Habit Plants small to moderately robust, green to yellow green, with a brownish tinge in hummocks; forms mats and cushions.
Stem(s)

leaves shorter than branch leaves, 0.8–1.6 mm, lingulate, hyaline cells non-septate above and commonly 1-septate below.
Branches

short and blunt, branch leaves imbricate.
Branch leaves

0.9–2 mm, ovate, with conspicuously truncate apex, hyaline cells bulging on both surfaces, with 1–4 large circular to elliptic pores per cell on convex surface and 4–7 elliptic pores per cell on concave surface, internal commissural walls faintly papillose, cholrophyll cells elliptical to elliptical-ovate withn the broadest part typically some distance from convex surface.
Sexual condition

unknown.
Branch

fascicles typically with 2 spreading and 2 hanging branches.;

branch stems with single layer of cortical cells.

Sphagnum tundrae
Habitat Forms mats and cushions in weakly minerotrophic arctic mires
Elevation low elevations
Distribution
from FNA
AK; YT; Europe
Discussion

Sphagnum tundrae can be separated from other species in sect. Squarrosa most readily by its truncate branch leaves.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 27, p. 60.
Parent taxa Sphagnaceae > Sphagnum > sect. Squarrosa
Sibling taxa
S. affine, S. alaskense, S. andersonianum, S. angermanicum, S. angustifolium, S. annulatum, S. aongstroemii, S. arcticum, S. atlanticum, S. austinii, S. balticum, S. bartlettianum, S. beothuk, S. bergianum, S. brevifolium, S. capillifolium, S. carolinianum, S. centrale, S. compactum, S. contortum, S. cribrosum, S. cuspidatum, S. cyclophyllum, S. fallax, S. fimbriatum, S. fitzgeraldii, S. flavicomans, S. flexuosum, S. fuscum, S. girgensohnii, S. henryense, S. imbricatum, S. inexspectatum, S. inundatum, S. isoviitae, S. jensenii, S. junghuhnianum, S. kenaiense, S. lenense, S. lescurii, S. lindbergii, S. macrophyllum, S. magellanicum, S. majus, S. mcqueenii, S. mendocinum, S. microcarpum, S. mirum, S. mississippiense, S. molle, S. obtusum, S. oregonense, S. orientale, S. pacificum, S. palustre, S. papillosum, S. perfoliatum, S. perichaetiale, S. platyphyllum, S. portoricense, S. pulchrum, S. pylaesii, S. quinquefarium, S. recurvum, S. riparium, S. rubellum, S. rubiginosum, S. rubroflexuosum, S. russowii, S. sitchense, S. splendens, S. squarrosum, S. steerei, S. strictum, S. subfulvum, S. subnitens, S. subsecundum, S. subtile, S. talbotianum, S. tenellum, S. tenerum, S. teres, S. torreyanum, S. trinitense, S. viride, S. warnstorfii, S. wilfii, S. wulfianum
Name authority Flatberg: Lindbergia 19: 3, figs. 1–3. (1994)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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