Flora of North America species comparison

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Sphagnum junghuhnianum

junghuhn's sphagnum
Habit Plants moderate-sized, soft, loosely tufted, slender, capitulum flat-topped to rounded; pale, dirty green, yellowish to brownish; without metallic lustre when dry.
Stem(s)

leaves triangular-lingulate, 1.2–1.6 mm, broadly apex acute to narrowly truncate and toothed, border narrow or indistinct at base (less than 0.25 the width);

hyaline cells rhomboid, mostly 0–1-septate;

convex surface with membrane pleats, concave surface with 1–3 rounded membrane gaps occupying most of cell.
Branches

somewhat 5-ranked.
Branch leaves

ovate-lanceolate, 1.3–2 mm, strongly concave, apex strongly involute;

margins entire to somewhat toothed near apex, hyaline cells on convex surface with numerous ringed elliptic pores (6–10) along commissures, concave surface mostly aporose except near margins;

Sexual condition dioicous or monoicous.
Spores

21–23 µm; minutely papillose.
Branch

fascicles with 2 spreading and 1–2 pendent branches.

Sphagnum junghuhnianum
Habitat Shady, seepy cliffs
Elevation low elevations
Distribution
from FNA
BC; e Asia
Discussion

Sphagnum junghuhnianum in the flora area is known only from the Queen Charlotte Islands.

Sporophytes of Sphagnum junghuhnianum were not seen. Three other large, brown species of sect. Acutifolia have stem leaves without fimbriate to lacerate apices, S. subnitens (forms without red color), S. subfulvum, and S. flavicomans. Sphagnum flavicomans has a more pointed stem leaf and a darker brown color as well as a strongly different ecology and range. Both S. subnitens and S. subfulvum have a glossy sheen when dry that is lacking in S. junghuhnianum. Sexual condition and spore characters were taken from H. A. Crum (1984).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 27, p. 95.
Parent taxa Sphagnaceae > Sphagnum > sect. Acutifolia
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. 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. tundrae, S. viride, S. warnstorfii, S. wilfii, S. wulfianum
Synonyms S. junghuhnianum subsp. pseudomolle, S. pseudomolle
Name authority Dozy & Molkenboer: Verh. Kon. Akad. Wetensch., Afd. Natuurk. 2: 8. (1854)
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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