Sphagnum aongstroemii C. Hartm.:
Canada (North America)
China (Asia)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Global Range: Far northern distribution; Alaska (Crum et al 1981).

Distribution: China, Russian Far East and Siberia, Europe, and North America.

Stems green. Branch leaves very concave, truncate and toothed.

Plants medium-sized, brownish green to yellowish brown tinged with blue, in dense tufts. Stem cortex in 3–5 layers, hyaline cells thin-walled, without fibrils; central cylinder yellowish brown. Stem leaves 1.0–1.4 mm × 0.6–0.8 mm, ligulate, flat, broader at base, narrowed from the middle of leaves, rounded and slightly lacerate at the apex; borders differentiated, narrow above the middle, clearly widened below the middle, ca. 1/3 leaf width at base; hyaline cells divided in the upper parts of leaves, without fibrils and pores. Branches in fascicles of 3–5. Branch leaves ca. 1.5 mm × 1.0 mm, imbricate, loosely arranged, broadly ovate with broad, blunt and dentate apex, margins slightly involute; borders consisting of 1–3 rows of linear cells; hyaline cells linear-rhomboidal, with small, short-elliptic, ringed pores at the ends and at corners on the dorsal surface, pores enlarged near the leaf base; with a few medium-sized ringed pores in cell ends in the upper parts of leaves on the ventral surface, few to none near the base; green cells in cross section elliptic, centrally located, equally exposed on both surfaces. Dioicous. Spores deep brownish, papillose.

Sphagnum cymbifolium var. cordifolium C. Hartman, Handb. Skand. Fl. ed. 3, 261. 1838

Habitat: on ground under coniferous forests or wet grasslands in high mountains.

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


No available public DNA sequences.

Download FASTA File

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

Canada

Rounded National Status Rank: N3 - Vulnerable

Rounded Global Status Rank: G3 - Vulnerable

Reasons: This is a species with far northern distribution. Known currently in North America from Alaska, Yukon, Northwest Territories, Nunavut, British Columbia and Quebec.

Sphagnum aongstroemii can usually be easily recognized by its combination of pale green color and truncate, toothed branch leaves.