Figure 1: Close up image of leaf arrangement on the stem.
Figure 2: Image taken of the moss' leaf using a dissecting scope.
Figure 3: Showing where the moss was found on its substrate.
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Name: Pylaisiadelpha tenuirostris
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Common
Name: Gentle Moss
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Family: Hypnaceae
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Collection
Date: November 3, 2016
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Habitat: Found
on dead tree stump, only moss on stump
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Location:
Woods near my house
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Description:
Moss looks to have some fuzzy kind of leaf structure, bound very tightly to
the bark of the tree, was very moist outside even within a small wooded area
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Keying
Guide: Common Mosses of the Northeast and Appalachians by Karl B. McKnight
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Intro
Key: p. 16 Pleurocarop, Lance, No Midrib…. Key VII p. 362; 1B Terrestrial plants, usually not submerged under
water, shoots mostly <10cm and stiffer; leaves <3mm long….5; 5B Plants on
dry rocks, tree trunks, tree bases, rotten logs or stumps….8; 8B Plants small,
stem leaves <2mm long, capsule stalks <2cm tall….9; 9B Stem and branch
leaves similar in shape, 0.2-1.3mm long….10; 10B Plants grow in mats lacking
obvious radial growth, shiny to dull green, branches without clusters of tiny
branchlets….11; 11B Branches very thin, <0.25mm in diameter, creeping along
substrate, plants on rocks, rotting logs, and tree bark (commonly near base of
tree)…..13; 13B Plants appear less orderly, branches running in various
directions, leave upon wetting spreading at least 45°….14; 14A Leaves 0.5-1.1mm
long, tips can curve off to the side but generally straight, branches somewhat
flattened…. Pylaisiadelpha tenuirstris p. 227















