Difference between revisions of "Physcomitrella patens"
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|elevation=low to moderate elevations | |elevation=low to moderate elevations | ||
|distribution=B.C.;Ont.;Que.;Calif.;Ill.;Ind.;La.;Md.;Mich.;Minn.;Mo.;N.Y.;Ohio;Oreg.;Pa.;Va.;c;n Europe;Asia (w Siberia). | |distribution=B.C.;Ont.;Que.;Calif.;Ill.;Ind.;La.;Md.;Mich.;Minn.;Mo.;N.Y.;Ohio;Oreg.;Pa.;Va.;c;n Europe;Asia (w Siberia). | ||
| − | |discussion=<p>Physcomitrella patens is fairly variable in leaf shape and stature. The species is similar to Aphanorrhegma, with which it is broadly sympatric, but far less common. It differs from A. serratum by the thin-walled exothecial cells and the unlobed calyptra.</p> | + | |discussion=<p><i>Physcomitrella patens</i> is fairly variable in leaf shape and stature. The species is similar to <i>Aphanorrhegma</i>, with which it is broadly sympatric, but far less common. It differs from <i>A. serratum</i> by the thin-walled exothecial cells and the unlobed calyptra.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V27/V27_264.xml |
|genus=Physcomitrella | |genus=Physcomitrella | ||
|species=Physcomitrella patens | |species=Physcomitrella patens | ||
Revision as of 16:53, 18 September 2019
Plants to 5 mm. Stems to 3.5 mm. Leaves to 2.5 × 1 mm, lanceolate or ovate-lanceolate to obovate, acuminate, not or weakly concave, margin of lanceolate leaves somewhat reflexed when dry, serrulate in distal 1/3, rarely below leaf median; costa ending near apex; proximal cells 65–135 × 15–45 µm, distal cells 36–66 × 12–27 µm; marginal cells sometimes longer that medial laminal cells, reaching 150 µm. Calyptra entire at base. Spores 21–33 µm.
Phenology: Capsules mature Aug–Jan.
Habitat: Early pioneer on wet mineral soil, river banks, fields
Elevation: low to moderate elevations
Distribution
B.C., Ont., Que., Calif., Ill., Ind., La., Md., Mich., Minn., Mo., N.Y., Ohio, Oreg., Pa., Va., c, n Europe, Asia (w Siberia).
Discussion
Physcomitrella patens is fairly variable in leaf shape and stature. The species is similar to Aphanorrhegma, with which it is broadly sympatric, but far less common. It differs from A. serratum by the thin-walled exothecial cells and the unlobed calyptra.
Selected References
None.