Sphagnum rubellum |
Sphagnum fallax |
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sphagnum |
flat-top bogmoss, sphagnum |
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Habit | Plants small to moderate-sized, slender, fairly stiff but soft, capitulum flat-topped and stellate; deep maroon-red to variegated red and yellowish green, lacking metallic sheen when dry. | Plants moderate-sized, fairly stiff-stemmed; green, brownish green, pale yellow, golden yellow, yellow and brown; capitulum hemispherical and not 5-radiate to somewhat 5-radiate in shade-grown or wet-grown forms. |
Stem(s) | leaves lingulate-triangular to lingulate, 1–1.4 mm, apex broadly rounded but becoming acute in hemiisophyllous forms, border strongly developed at base (more than 0.25 width); hyaline cells rhombic and 0–3-septate with some cells in leaf midregion 2–septate. |
leaves triangular to lingulate-triangular, 0.8–1.2 mm, mostly appressed to the stem, apex acute to apiculate, hyaline cells mostly efibrillose and nonseptate. |
Branches | weakly to strongly 5-ranked. |
straight, mostly unranked, but can be 5-ranked in wet-growing forms, leaves little elongated at distal branch ends. |
Branch leaves | ovate to ovate-lanceolate, 0.9–1.2 mm, concave, subsecund on some branches, apex involute; hyaline cells on convex surface with numerous round to elliptic pores along the commissures, grading from small round pores near apex to round pores near base, on concave surface with large round pores in proximal portions of leaf. |
ovate-lanceolate, greater than 1.2 mm, straight, undulate and sharply recurved when dry, margins entire; hyaline cells on convex surface with usually 1 round pore per cell at apical end, on concave side with round wall thinnings in the cell ends and angles; chlorophyllous cells triangular and just reaching or slightly enclosed within the concave surface. |
Sexual condition | dioicous. |
dioicous. |
Spores | 18–33 µm, coarsely papillose on both surfaces; proximal laesura less than 0.4 spore radius. |
25–31 µm; proximal surface finely papillose, distal surface pusticulate with bifurcated Y-mark sculpture; proximal laesura less than 0.5 spore radius. |
Branch | fascicles with 2 spreading and 1–2 pendent branches. |
fascicles with 2 spreading and 2–3 pendent branches.; branch stems green but proximal end sometimes red, with cortex enlarged with conspicuous retort cells. |
Sphagnum rubellum |
Sphagnum fallax |
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Phenology | Capsules mature mid summer. | |
Habitat | Poor fens and ombrotrophic mires, forming extensive carpets and hummocks | Widespread in poor fen habitats, often as a pioneer species in extensive mats, occasionally in ombrotrophic mires at hummock bases |
Elevation | low to high elevations | low to moderate elevations |
Distribution |
AK; CT; IL; IN; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; OR; PA; RI; VT; WA; WI; BC; NB; NF; NS; NT; ON; PE; QC; YT; Greenland; Eurasia
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CT; DE; IL; IN; MA; ME; MI; MN; NC; NH; NJ; NY; OH; PA; TN; VA; VT; WV; NB; NF; NS; ON; PE; QC; Europe
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Discussion | Sporophytes are uncommon in Sphagnum rubellum. This common species is associated with S. angustifolium, S. capillifolium, S. fallax, S. fuscum, S. magellanicum, S. papillosum, S. recurvum, and S. tenellum. Inland, it has a greater tendency to form extensive carpets and floating mats than hummocks. See also discussion under 65. S. andersonianum, 68. S. bartlettianum, and 86. S. talbotianum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Sphagnum fallax can be distinguished from the closely related S. isoviitae by its sharply recurved branch leaves, as opposed to the leaves of the latter only slightly reflexed at their tips. See also discussion under 26. S. brevifolium and 46. S. splendens. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 27, p. 96. | FNA vol. 27, p. 67. |
Parent taxa | Sphagnaceae > Sphagnum > sect. Acutifolia | Sphagnaceae > Sphagnum > sect. Cuspidata |
Sibling taxa | ||
Synonyms | S. acutifolium var. tenellum, S. capillaceum var. tenellum, S. capillifolium var. tenellum | S. cuspidatum var. fallax, S. apiculatum, S. flexuosum var. fallax, S. mucronatum, S. recurvum var. brevifolium, S. recurvum var. fallax, S. recurvum subsp. mucronatum |
Name authority | Wilson: Bryol. Brit., 19. (1855) | (H. Klinggräff) H. Klinggräff: Vers. Topogr. Fl. Westpreuss., 128. (1880) |
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