Atrichum undulatum

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Photo: klovestrand
Photo: klovestrand

Taxonomy

Kingdom: Plantae

Division: Bryophyta

Class: Polytrichopsida

Order: Polytrichales

Family: Polytrichaceae

Genus: Atrichum

Species: Atrichum undulatum

Descriptive notes

Atrichum undulatum has vertical lamellae over the midrib, which covers approximately half of the upper portion of the plant. The leaves are soft and undulated, and do not sheath the stem. It has a distinctive bent capsule. It is reddish-purple in color and 1/4 inch long.


The size of the plant, from the bottom of the stem to the top of the capsule, is approximately 1.7 inches. Including the rhizomes, the plant reaches 3 inches.

General distribution and habitat

A. undulatum are most commonly found on forest floors, in wet places like the sides of ravines and banks, alongside roads and in forest clearings.

Campus distribution

I found my specimen of A. undulatum growing from an exposed soil patch 50m from the pond. There was a very large patch, approximately 2ft x 3ft.

  • Confirmed second identification from patch growing from the ground near the pond, collected at 1:30 p.m. on April 16th 2013. - Gfredericks 20:42, 16 April 2013 (UTC)

Other notes

Citations

Conard, Henry Shoemaker. How to Know the Mosses and Liverworts: Pictured-keys for Determining Many of the North American Mosses and Liverworts, with Suggestions and Aids for Their Study. Dubuque, IA: W. C. Brown, 1959.

McKnight, Karl B. Common Mosses of the Northeast and Appalachians. Princeton, NJ: Princeton UP, 2013.


FOUND BY EMILY MIKUCKI ON APRIL 16, 2013