Eurhynchiastrum pulchellum var. barnesii

(Renauld & Cardot) Ignatov

Arctoa 17: 136. 2009.

EndemicIllustrated
Basionym: Eurhynchium strigosum var. barnesii Renauld & Cardot Rev. Bryol. 15: 72. 1888 E. pulchellum var. barnesii (Renauld & Cardot) H. A. Crum Steere & L. E. Anderson
Synonyms: E. tayloriae
Treatment appears in FNA Volume 28. Treatment on page 438.

Stems 6–13 cm. Stem-leaves 1.2–2.6 × 0.6–1.8 mm. Branch leaves strongly plicate, 1–1.9 × 0.4–0.8 (–1) mm.


Habitat: Soil, rock, decaying logs
Elevation: moderate elevations (500 m)

Distribution

V28 682-distribution-map.gif

Alta., B.C., Alaska, Calif., Colo., Idaho, Mont., Wash.

Discussion

Variety barnesii seems to be relatively rare and endemic, probably deserving the status of species, though a preliminary molecular analysis did not find it outside the variation in small-sized plants (M. S. Ignatov et al. 2008). The separation of var. barnesii from the large expressions of var. pulchellum needs additional attention.

Selected References

None.

Lower Taxa

None.

"long" is not a number."broad" is not a number.

dioicous +  and sexual +
acuminate +, blunt +, tapered +  and acute +
Michael S. Ignatov +
(Renauld & Cardot) Ignatov +
short-decurrent +
decurrent +
short to long +
Eurhynchium strigosum var. barnesii +  and E. pulchellum var. barnesii +
0.8 cm8 mm <br />0.008 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
usually straight;curved +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
0.4mm +  and 0.8mm +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
cucullate +
inclined +  and horizontal +
1.5 cm15 mm <br />0.015 m <br /> (?) +
specialized +
synoicous +, dioicous +, autoicous +, sexual +  and asexual +
subquadrate +
larger or smaller +
differentiated +
7um +  and 10um +
3 (?) +  and 2 (?) +
discernible +
Alta. +, B.C. +, Alaska +, Calif. +, Colo. +, Idaho +, Mont. +  and Wash. +
moderate elevations (500 m) +
not adherent +
Soil, rock, decaying logs +
4um (?) +  and 6um (?) +
pointed +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +  and 0.09 cm0.9 mm <br />9.0e-4 m <br /> (?) +
serrate +, entire +  and serrulate +
perfect +  and xerocastique +
hygrocastique +
pellucid +  and opaque +
undifferentiated +
subquadrate +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Endemic +  and Illustrated +
plicate;not plicate;plicate;not plicate +
spaced;imbricate +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
1.2mm;2.6mm +
erect +  and erectopatent +
concave +, broadly ovate-triangular +  and ovatelanceolate +
0.6mm;1.8mm +
branched +  and terete-foliate +
6 cm60 mm <br />0.06 m <br /> (13 cm130 mm <br />0.13 m <br />) +
reddish +  and green +
creeping +  and arching +
6 cm60 mm <br />0.06 m <br /> (13 cm130 mm <br />0.13 m <br />) +
E. tayloriae +
Eurhynchiastrum pulchellum var. barnesii +
Eurhynchiastrum pulchellum +
variety +
incrassate +
thin;moderately thick +
yellowish +  and brownish +
small;medium-sized +