Barbula indica var. gregaria

(Mitten) R. H. Zander

Cryptog. Bryol. Lichénol. 2: 6. 1981,.

Basionym: Tortula gregaria J. Proc. Linn. Soc., Bot., suppl. 1: 29. 1859
Treatment appears in FNA Volume 27. Treatment on page 533.

Leaves broadly ovate, margins plane. Specialized asexual reproduction by massive, brown, elliptic to spheric, many-celled gemmae occurring singly or very few together in distal leaf-axils, of up to 50 cells, 95–300 µm.


Habitat: Soil
Elevation: moderate elevations (1600 m)

Distribution

V27 767-distribution-map.gif

Alta., Mexico, West Indies (Dominican Republic), Central America (Panama), South America (Colombia)

Discussion

Variety gregaria is known in the flora area from only two, nonfruiting collections (see R. H. Zander 1979). The costa in the Alberta collection ends before the rounded apex; Mexican specimens generally have, however, apiculate leaves like those of the typical variety.

Selected References

None.

Lower Taxa

None.
quadrate +  and elongate +
differentiated +
long-excurrent +  and short-excurrent +
apiculate +  and entire +
Richard H. Zander +
(Mitten) R. H. Zander +
short;elongate +
semilunar +
papillose +  and smooth +
usually slightly wider +
usually ovate;oblong +
differentiated +
widened +
Tortula gregaria +
obovoid +
cucullate +
stegocarpous +
dioicous +  and sexual +
flat to bulging +
thin;evenly thickened +
0 (?) +  and 50 (?) +
elongate-rhomboid +  and elongate +
tomentose +  and bare +
ending 1-4 cells +  and percurrent +
rectangular +
quadrate;quadrate +
Alta. +, Mexico +, West Indies (Dominican Republic) +, Central America (Panama) +  and South America (Colombia) +
moderate elevations (1600 m) +
differentiated +
massive +
yellow +  and orange-red or red +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
concave;keeled;channeled;ovoid;lanceolate or lingulate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
reduced +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
dentate +  and entire +
long-conic +
photosynthetic +
2 +  and 3 +
obtuse +  and broadly acute +
lateral +  and terminal +
lateral +  and terminal +
red +, orange +  and yellow +
consisting of 16 mostly 2 times cleft spiculose striate or papillose lanceolate teeth , , , , +  and rudimentary +
Cryptog. Bryol. Lichénol. +
straight +
elongate +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2 +  and 1 +
yellowish orange +, yellow +  and laminal +
rounded-triangular +  and rounded-pentagonal +
short +  and elongate +
0 cm0 mm <br />0 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Barbula indica var. gregaria +
Barbula indica +
variety +
ovate;long-cylindric +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
red +  and yellow +
thin +  and evenly thickened +
stemless +  and perigoniate +
yellowish-brown;reddish-brown +
plant +, forming cushions +  and cespitose +
occasionally smaller than the perichaetiate +