Overview

Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Plants in open tufts or mats, usually rusty red-brown, rarely black or olivaceous. Stems 1-5(-11) cm, central strand absent or indistinct. Leaves erect or curved, usually imbricate below stem apex when dry, narrowly ovate-lanceolate to ovate-lanceolate, sharply keeled distally, 1.4-2.8 mm, 1-stratose, sometimes with 2-stratose patches distally; margins usually recurved to just before the apex, usually denticulate distally, 2-stratose or multistratose, sometimes 1-stratose; apices acute; costa percurrent or excurrent as a denticulate, occasionally decurrent, usually short awn, abaxial surface papillose; basal marginal cells quadrate or short-rectangular; distal laminal cells ovate or short-rectangular, 8-10 µm wide, papillose, sinuose. Sexual condition autoicous. Capsule dark red-brown, usually cupulate, 0.7-1.2 mm; exothecial cells mostly isodiametric, quadrate or irregularly angular, thin-walled or unevenly thick-walled; stomata present; peristome squarrose to revolute, twisted, red, 330-550 µm, papillose, entire or weakly perforated. Spores 10-15 µm, granulose or verruculose.
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Diagnostic Description

Synonym

Grimmia stricta Turner, Muscol. Hibern. Spic., 20, plate 2, fig. 1. 1804
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Schistidium strictum

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Schistidium strictum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 5
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Notes

Comments

Although this species has been reported widely across North America, it appears to be restricted to the northwestern portions of the continent. See comments under 5. Schistidium boreale regarding differences among S. strictum and other North American species of the genus with papillose laminal cells.
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