Illustrator: Patricia M. Eckel

Stems 2–2.5 cm, green or yellowish green, branches curved at apices. Leaves homomallous, 0.8–1.3(–1.5) mm; margins reflexed at base, entire or serrulate at apex; apex abruptly slender-acuminate, not subulate; alar cells quadrate-rectangular, walls thick, region extending 1/4–1/3 leaf margin; distal laminal cells 25–35 × 4–7 µm, walls thick. Seta yellow-orange, 1–1.6 cm. Capsule yellowish to reddish, 1–1.7 mm. Spores 11–20 µm, minutely papillose.

Distribution

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w United States, Mexico, Asia, Australia.

Discussion

Varieties 2 (2 in the flora).

Homomallium mexicanum is a largely subtropical species that appears more robust than the other two North American species of Homomallium because of its larger and more spreading leaves.

References

None.

Lower Taxa

Homomallium mexicanum var. latifolium, Homomallium mexicanum var. mexicanum

Key

1	Leaves to 1.3 mm, not imbricate, ovate-lanceolate; apices narrowly acuminate; margins denticulate distally.	Homomallium mexicanum var. mexicanum
1	Leaves to 1.5 mm, closely imbricate, broadly ovate; apices short-acuminate; margins entire.	Homomallium mexicanum var. latifolium