Trichodon cylindricus var. oblongus

(Lindberg) Podpera

Consp. Musc. Eur., 97. 1954,.

Basionym: Trichodon oblongus (R. S. Williams) Grout Öfvers. Kongl. Vetensk.-Akad. Forh. 21: 226. 1864
Synonyms: Ditrichum boreale
Treatment appears in FNA Volume 27. Treatment on page 460. Mentioned on page 459.

Seta 0.3–1.3 cm. Capsule erect, straight to weakly arcuate, (0.5–) 1–1.5 (–2) mm. Spores 19–24 µm.


Phenology: Capsule maturity date not determined.
Habitat: Clay soil, exposed and disturbed sites
Elevation: elevations not recorded

Distribution

V27 667-distribution-map.gif

N.W.T., Yukon, Alaska, Europe

Discussion

Variety oblongus is an arctic taxon that differs from var. cylindricus only in the shorter setae, shorter capsules that are more erect and often nearly straight, and somewhat larger spores.

Selected References

None.

Lower Taxa

None.
forming a marginal border +  and not differentiated +
Robert R. Ireland Jr. +
(Lindberg) Podpera +
Trichodon oblongus +
cucullate +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
yellowish;reddish-brown +
straight +  and weakly arcuate +
cleistocarpous +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cylindric +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
subpercurrent +
shortrectangular +  and isodiametric +
N.W.T. +, Yukon +, Alaska +  and Europe +
elevations not recorded +
Clay soil, exposed and disturbed sites +
curved +  and straight +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
serrate to serrulate +
dioicous +  and sexual +
angled +, quadrate +  and rectangular +
conic +  and short-rostrate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
on short branches +  and axillary +
Capsule maturity date not determined. +
enlarged +
filamentous +
Consp. Musc. Eur., +
papillose +
orange;red +
straight +
elongate +
0.3 cm3 mm <br />0.003 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
globose +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Ditrichum boreale +
Trichodon cylindricus var. oblongus +
Trichodon cylindricus +
variety +
papillose +
divided +
irregularly--shaped;round +
specialized +
synoicous +, paroicous +, autoicous +, dioicous +  and sexual +
in loose tufts +  and scattered +
light +  and yellowish green +
female +  and male +
small +  and medium-sized +