Figure 1: representation of concentration of gametophyte stems in a sample of Bryum argentaum; sporophytes present in abundance
Figure 2: detail of single gametophyte; "silvering" of leaf tips evident, with green coloring appearing futher down the structures
Figure 3: detail of intact sporophyte capsule; red coloring appeared further down the stepa
Sample #10: Bryum argenteum “Silver Moss”
Phylum: Bryophyta
Family: Bryaceae
Collection Date: 16 October, 2016
Collector: Kristen Maslach
Habitat: common in urban areas; hard dry soil, sand, gravel,
on walls and roofs
Location: in shallow soil on the side of a parking lot,
Mantua, Ohio
Description: silvery at tips to pale green at the bottom;
red stems tightly packed; usually no more than 1 cm tall; leaves difficult to
differentiate, no different if wet or dry
Key Used: McKnight, Karl, Joseph Rohrer, Kirsten McKnight
Ward and Warren Perdrizet (2013). Common
Mosses of the Northeast and Appalachians.
Princeton, New Jersey: Princeton University Press.
Steps to Keying:
Acrocarp
Ovate
leaf, midrib (pg 17)
“Plants
less than or equal to 1 cm tall (pg 350)”
“Plants
silvery pale green … tightly packed so that stems appear wormlike (pg 350)”
Resources:
Nice job!
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