Difference between revisions of "Hylocomium"

Schimper in P. Bruch and W. P. Schimper

in P. Bruch and W. P. Schimper, Bryol. Europ. 5: 169, plates 487 – 493. 1852.

Etymology: Greek hylokomos, forest inhabitant, alluding to habitat
Treatment appears in FNA Volume 28. Treatment on page 327. Mentioned on page 326, 330, 338, 642.
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|genus=Hylocomium
 
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Revision as of 17:06, 18 September 2019

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.

... more about "Hylocomium"
Joseph R. Rohrer +
Schimper in P. Bruch and W. P. Schimper +
North America +, Eurasia +, n Africa +, Pacific Islands (New Zealand) +, Australia +, cool temperate +, boreal +  and and arctic regions. +
Greek hylokomos, forest inhabitant, alluding to habitat +
in P. Bruch and W. P. Schimper, Bryol. Europ. +
Hylocomium +
Hylocomiaceae +