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Crossidium Moss

Crossidium seriatum H. Crum & Steere 1959

Comments

provided by eFloras
The leaf cells with several papillae on either free surface distinguish Crossidium seriatum from C. aberrans. A poorly preserved specimen from Kansas is perhaps a juvenile form with awned leaves and reduced filaments.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 611, 612 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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visit source
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eFloras

Description

provided by eFloras
Plants 1-1.5 mm. Leaves lingulate to oblong-ovate, 0.6-1.3 mm, margins revolute from near apex to near base, smooth-celled in the middle and base, apex round to slightly emarginate; costa excurrent, with an abaxial epidermis, filaments of 2-6 cells, cells subspheric, with several papillae per cell, terminal cell subspheric; cells of leaf base 24-66 µm, medial and distal cells 13-26 µm, with several papillae on either side of distal and median cells. Sexual condition cladautoicous. Seta 9-13 mm. Capsule urn oblong-cylindric, 1.5-2.3 mm; operculum 0.7-1.1 mm; peristome strongly twisted, 1015-1100 µm. Spores spheric, finely papillose, 11-13 µm.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 611, 612 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras