Meesia

Hedwig

Sp. Musc. Frond., 173, plate 41, figs. 6 – 9. 1801.

Etymology: For David Meese, 1723 – 1770, Dutch gardener
Treatment appears in FNA Volume 28. Treatment on page 32. Mentioned on page 30, 33, 661, 667.
 TaxonIllustrator 
MeesMeesiaLongisetaTriquetraUliginosa 3 spp.jpegMeesia longiseta
Meesia triquetra
Meesia uliginosa
Patricia M. Eckel
Patricia M. Eckel
Patricia M. Eckel

Leaves erect to widespreading, some species 3-ranked, ligulate to ovatelanceolate; margins plane to reflexed basally to recurved throughout; laminal cells irregularly isodiametric to short-rhombic, surface not bulging, smooth, walls firm; basal-cells longer than distal cells.

Distribution

North America, Mexico, Central America, South America, Europe, Asia, Africa, Pacific Islands (New Zealand), Australia

Discussion

Species 12 (3 in the flora).

Meesia occurs on calcareous soil banks and in rich fens in boreal, alpine, and arctic habitats. The quadrate distal laminal cells differentiate Meesia from Amblyodon dealbatus, which has elongate, pellucid laminal cells.

Selected References

None.

Key

1 Leaves ligulate to narrowly lanceolate, not 3-ranked, erect when moist; margins revolute basally. Meesia uliginosa
1 Leaves ovate-lanceolate to lanceolate, 3-ranked, spreading when moist; margins plane to reflexed basally > 2
2 Leaf margins entire; sexual condition synoicous. Meesia longiseta
2 Leaf margins serrulate distally; sexual condition dioicous. Meesia triquetra
... more about "Meesia"
acute;rounded-obtuse +
Dale H. Vitt +
Hedwig +
cucullate +
clavate;pyriform +
mammillose +  and smooth +
North America +, Mexico +, Central America +, South America +, Europe +, Asia +, Africa +, Pacific Islands (New Zealand) +  and Australia +
For David Meese, 1723 – 1770, Dutch gardener +
erect;widespreading +
ovatelanceolate;linear or obovate +
recurved +  and reflexed +
Sp. Musc. Frond., +
slender +
0 cm0 mm <br />0 m <br /> (11 cm110 mm <br />0.11 m <br />) +
ovatelanceolate +
simple;sparsely branched +
erect;ascending +
Meesiaceae +