Difference between revisions of "Calliergonella"
Hedwigia 50: 248. 1911.
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Latest revision as of 22:36, 5 November 2020
Plants large, yellow-green or brownish. Stems pinnate, subpinnate, or irregularly branched; hyalodermis present, central strand present, sometimes poorly developed; paraphyllia absent; rhizoids arising from ventral stem surface near leaf base, not forming tomentum, commonly branched, smooth; axillary hair distal cells 2–6, hyaline. Stem and branch leaves erect-appressed, straight, dimorphic, ovate or lanceolate, not plicate, 1.8–2.2 mm; base decurrent; margins plane to incurved, entire, limbidia absent; apex usually cuspidate; costa double, short, inconspicuous, or ecostate; alar cells differentiated, inflated, region distinct; medial laminal cells long flexuose-sinuate, 42–115(–145) µm. Sexual condition dioicous. Capsule horizontal, obovoid, arcuate; peristome perfect; exostome teeth bordered; endostome cilia 2–4. Spores 17–22 µm.
Distribution
North America, Mexico, South America, Europe, Asia, n Africa, Atlantic Islands (Iceland), Pacific Islands (New Zealand), Australia, introduced in West Indies.
Discussion
Species 1.