Difference between revisions of "Hylocomium"
in P. Bruch and W. P. Schimper, Bryol. Europ. 5: 169, plates 487 – 493. 1852.
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|accepted_name=Hylocomium | |accepted_name=Hylocomium | ||
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|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in P. Bruch and W. P. Schimper, Bryol. Europ. | |title=in P. Bruch and W. P. Schimper, Bryol. Europ. | ||
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name=Hylocomium | name=Hylocomium | ||
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|genus=Hylocomium | |genus=Hylocomium | ||
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-->[[Category:Treatment]][[Category:Hylocomiaceae]] | -->[[Category:Treatment]][[Category:Hylocomiaceae]] | ||
Latest revision as of 21:36, 5 November 2020
Stems creeping to more often arching-ascending, 1–3 mm wide across leafy stem, sympodial, rarely appearing monopodial in reduced arctic-alpine forms, regularly 2- or 3-pinnate; paraphyllia many, base multiseriate, branches 1- or 2-seriate. Stem leaves tightly appressed on stipe to erect among branches, heteromallous, not crowded, oblong-ovate to ovate, lightly plicate, sometimes rugose in acumen, 1.6–3.2(–4) mm; base not decurrent; margins serrulate to nearly entire proximally, serrate to serrulate distally; apex abruptly acuminate, or occasionally rounded, obtuse, or abruptly acute; costa double, 1/4–1/2 leaf length, sometimes nearly ecostate; alar cells not differentiated; laminal cells occasionally minutely prorate. Branch leaves ovate to elliptic-lanceolate. Capsule inclined to pendent; operculum conic, obliquely long-rostrate; exostome teeth reticulate proximally; endostome segments broadly perforate, usually split into one large gaping perforation.
Distribution
North America, Eurasia, n Africa, Pacific Islands (New Zealand), Australia, cool temperate, boreal, and arctic regions.
Discussion
Species 1.
Selected References
None.