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!Sphagnum platyphyllum (Lindb. ex Braithw.) Sull. ex Warnst. Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Flora 67(25): 480. 1884. (Flora) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/22/2011)
Acceptance : Accepted
Project data     (Last Modified On 3/23/2011)
Discussion: The plants have tumid branches, one to three per fascicle and scarcely differentiated as to spreading and pendent types. The terminal bud is prominent. The stem leaves are fibrillose nearly throughout.
Illustrations: Andrus (1980, Fig. 16); Crum (1984, Fig. 38 A–B as S. subsecundum var. platyphyllum).
Habitat: In standing water; 2800–3000 m.
Distribution in Central America:

COSTA RICA. Cartago: Karlin (BING, MICH, NY).

World Range: Subarctic America, Western and Eastern Canada, Northwestern, North-Central, Northeastern, and Southwestern U.S.A.; Central America; Northern Europe; Siberia, Eastern Asia.


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Sphagnum platyphyllum (Lindb.) Sull. ex Warnst., Sphagnol. Eur. 187. 1884.

S. laricinum var. platyphyllum Lindb., Not. Sällsk. Fauna Fl. Fenn. Förh. 13: 403. 1874.

Plants stout, in loose, limp, yellowish to green patches; capitulum not much differentiated but the terminal bud large (especially noticeable when wet); cortical cells in 2–3 layers, mostly porose at the upper ends; wood cylinder dark brown. Stem leaves spreading, concave, broadly oblong-elliptic and rounded-obtuse, 1.5–2(3) mm long, much like branch leaves in size, shape, and structure; hyaline cells fibrillose nearly throughout, rarely divided, on the outer surface with few to many small pores, restricted to ends and corners or in interrupted commissural rows, on the inner surface with pores few, small, at ends and corners. Branches straight, tumid, 1–3 per fascicle, not differentiated into spreading and pendent types and not concealing the stem. Branch leaves erect and imbricate, deeply concave, 1.6–2.5 mm long, broadly oblong-ovate; hyaline cells on the outer surface with few to numerous small, scattered pores or sometimes many in commissural rows; on the inner surface with pores small, few or none.



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