Flora of North America species comparison

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Sphagnum subsecundum

cow-horn peat-moss, sphagnum
Habit Plants small, slender, often wiry; green, yellow-brown or golden brown; capitulum small with terminal bud absent.
Stem(s)

leaves triangular-lingulate, 0.8 mm or less;

apex entire or weakly denticulate, hyaline cells sometimes septate, efibrillose and aporose except near apex.
Branches

often short and blunt.
Sexual condition

dioicous.
Capsule

exserted, with few pseudostomata.
Spores

30–35 µm; finely papillose on both surfaces, distinct bifurcated Y-mark sculpture on distal surface;

proximal laesurae more than 0.5 spore radius.
Branch

fascicles with 2–3 spreading and 2–3 pendent branches Branch leaves broadly ovate, subsecund, hyaline cells on convex surface with very numerous small pores (18–40 per cell) in a continuous row along the commissures, concave surface usually aporose.

Sphagnum subsecundum
Habitat Minerotrophic, near the edges of open, poor fens, less commonly found in open medium fens
Elevation low to high elevations
Distribution
from FNA
AK; CA; CO; CT; ID; IL; IN; MA; ME; MI; MN; MT; NH; NJ; NY; OH; OR; PA; RI; VT; WA; WI; WY; AB; BC; MB; NB; NF; NS; NT; ON; QC; YT; Greenland; Eurasia
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Discussion

Sporophytes are rare in Sphagnum subsecundum. This species is often associated with S. angustifolium, S. centrale, S. fimbriatum, S. flexuosum, S. palustre, and S. teres. The most widespread and common species of sect. Subsecunda, it exhibits considerable phenotypic plasticity in size. However, the stem leaves are always quite small in comparison to those of similar species. See also discussions under 52. S. contortum and 55. S. inexspectatum.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 27, p. 84.
Parent taxa Sphagnaceae > Sphagnum > sect. Subsecunda
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. subtile, S. talbotianum, S. tenellum, S. tenerum, S. teres, S. torreyanum, S. trinitense, S. tundrae, S. viride, S. warnstorfii, S. wilfii, S. wulfianum
Synonyms S. crispum
Name authority Nees: in J. Sturm et al., Deutschl. Fl. 2(17): species 3. (1819)
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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