Calliergonella

Loeske

Hedwigia 50: 248. 1911.

Etymology: Genus Calliergon and Latin -ella, diminutive
Treatment appears in FNA Volume 28. Treatment on page 312. Mentioned on page 263, 264, 646.

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, in West Indies

Discussion

Species 1.

Selected References

None.

"narrower" is not a number.

... more about "Calliergonella"
not +  and separating +
Norton G. Miller† +
Loeske +
decurrent +
lanceolate +  and ovate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
cucullate +
curved +  and straight +
inflated +
differentiated +
appendiculate +
inconspicuous +
double +  and single +
2 (?) +  and 6 (?) +
North America +, Mexico +, South America +, Europe +, Asia +, n Africa +, Atlantic Islands (Iceland) +, Pacific Islands (New Zealand) +, Australia +  and in West Indies +
Genus Calliergon and Latin -ella, diminutive +
brownish +  and yellowbrown +
short +  and narrow +
multistratose +  and 1-stratose +
dioicous +  and sexual +
short-rostrate +, rostrate +  and conic +
obovate +, oblong +, ovate +  and lanceolate +
branched +, subpinnate +  and pinnate +
straight +
lanceolate;ovate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Calliergonella +
Amblystegiaceae +
incrassate +
brownish +  and yellow-green +
transitional +