Specimen #7 Moss

Figure 1: Plagothecium stratellum

Name: Plagothecium stratellum
Family:  Hypnaceae

Collection Date:  September 13, 2011

Habitat: Found on rock in shaded area.

Location:  South Chargrin Reservation

Description: Small moss with many recurved branches.  Green in color, small leaves that lack a costa.
Collector: Jamie Frost


Key used: Conard, H.S, 1956. How to Know the Mosses and Liverworts Revised Edition, WM. C. Brown Company Publishers, Dubuque, Iowa.

Introduction Key pg. 22

1a. Plants with stem and leaves; ascending.... 2

2a. Leaves equally spaced around stem, with midrib; margins entire or toothed; cells elongate, Class Musci.... pg 22

Key to Musci pg. 23

1c. Leaf cells in one layer, Eubrya.... 9

9b. Stems creeping and branching.  Sporophyte borne on a very short branch, subtended by perichaetial leaves that are very different from those of other branches. Pleurocarpi.... pg. 97

Key to Pleurocarpi pg. 97

1b. Leaves not at all papilose; more glossy... 34

34a. Paraphyllia few or none, usually not seen.... 41

41c. Midrib lacking.... 95

95b. Terrestrial, xeric, mesic or hydric, not constantly submerged.... 98

98a. Median leaf cells 5-20:1, that is, long to very long....106

106b. With several inflated alar cells... 107

107b. Alar cells in a cluster, 3 or 4 transversely and 3 or 4 up margin of leaf... 109

109b. Alar cells decurrent; leaves squarrose, finely serrulate above..... Plagiothecium stratellum

Links:

http://wisplants.uwsp.edu/bryophytes/scripts/SearchResults.asp?Genus=Plagiothecium

(could not find other sufficient sites)