Overview

Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Plants moderate-sized and lax to somewhat compact, ± stiff-stemmed; moderate-sized to large, forming lawns or low, loose hummocks; green, yellow-brown to golden brown and often tinged with brown to purplish brown; capitulum ± flat in lax open-grown forms to ± rounded and compact in open-grown forms. Stems brown, superficial cortical layer with spiral reinforcing fibrils clearly visible, usually 2 or more pores per cell, comb-fibrils visible on interior wall. Stem leaves to 1.3-1.9 × 0.6-1.2 mm; rarely hemiisophyllous; hyaline cells non-ornamented, nonseptate or sometimes septate. Branches ± tapering, leaves loosely imbricate to spreading and often squarrose in shade forms. Branch fascicles with 2 spreading and 2-3 pendent branches. Branch stems with cortical cell comb-lamellae weakly differentiated on interior wall, no or weak funnel-like projections on the interior end walls, pores in superficial wall mostly restricted to leaf attachments. Branch leaves ovate to ovate elliptical, 1.5-2 × 0.9-1.6 mm; hyaline cells on convex surface with elliptic to more often round pores along the commissures, comb-lamellae can be present, but often absent or restricted to leaf bases; chlorophyllous cells broadly triangular in transverse section and well-enclosed on the convex surface; end wall not thickened. Sexual condition dioicous. Capsule with scattered pseudostomata. Spores 27-31 µm; granulate on both surfaces; laesura on proximal surface less than 0.5 the spore radius.
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Diagnostic Description

Synonym

Sphagnum imbricatum subsp. affine (Renauld & Cardot) Flatberg; S. imbricatum var. affine (Renauld & Cardot) Warnstorf; S. imbricatum var. laeve Warnstorf
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Sphagnum affine

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


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Statistics of barcoding coverage: Sphagnum affine

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

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Sphagnum affine

Sphagnum affine is a species of peat moss or sphagnum moss which is exploited to make commercial peat products. This moss has a yellowish coloring.

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Notes

Comments

Sphagnum affine may occur elsewhere but the taxonomy is unclear (K. I. Flatberg 1984). Although species of sect. Sphagnum are notoriously difficult to tell apart in the field, S. affine is typically smaller than S. centrale, S. palustre, and S. papillosum, the other brown species of this section with which it may occur. It is also much more likely to have somewhat squarrose branch leaves, especially in shade forms.
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Names and Taxonomy

Taxonomy

Comments: Formerly called S. imbricatum or S. imbricatum ssp./var. affine (Anderson, checklist, 1990).

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