Thuidium delicatulum (Hedw.) Schimp. - Common Fern Moss


 

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Thuidium delicatulum - (image 1 of 4)

 

Taxonomy

Family: Thuidiaceae

Habitat

Moist or wet soil, humus, decayed wood, and rocks.

Associates

 

 Distribution

Much of northern and eastern North America into Mexico, South America, and the West Indies; Europe and Asia.

Morphology

Greenish or yellowish, dioicous, pleurocarpous moss. Stems spreading or arch-ascending, 2-3-pinnate, to 3-8 cm long. Stem leaves erect with revolute margins, costa ending below the apex. Operculum rostrate.

Notes

Resembles a miniature fern. Thuidium recognitum (Hedw.) Lindb. is similar but has stem leaves that are incurved at the base and wide-spreading or recurved at the tips; margins nearly flat and the costa not ending before the apex; operculum high-conic.

References

Crum, H. 2004. Mosses of the Great Lakes Forest, 4th ed.

The University of Michigan Herbarium. Ann Arbor, MI

 


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 Michael Hough 2010