Two species are particularly abundant on Corvallis sidewalks-- Barbula vinealis and Bryum capillare -- each of which alone accounted for 70-90 percent of the moss cover at their sites. Bryum dominated at the post office, while Barbula was the principal species at all of the other locations. Tortula and Scleropodium covered much less area but were widespread, each turning up in at least 4 of the 5 sites. The other five species were relatively rare.
Summary of
species: Barbula vinealis
(dominant), Bryum capillare (dominant), Tortula
muralis (common), Scleropodium cespitans (common),
and Calliergonella cuspidata, Eurhynchium praelongum,
Funaria hygrometrica, Grimmia pulvinata, and Homalothecium
nuttallii (all sparse).
Site A, residential sidewalk at NW Fillmore and 30th.
Close to tall ornamental grass and conifer trees. The
sunniest of the five sites. Light pedestrian use.
Barbula vinealis
Calliergonella cuspidata
Eurhynchium praelongum
Scleropodium cespitans
Tortula muralis
Site B, residential sidewalk at NW 14th and Van Buren.
Very shady site. Low, dense, deciduous cover and close
to buildings. Moderate use.
Barbula vinealis
Bryum capillare
Grimmia pulvinata
Scleropodium cespitans
Tortula muralis
Site C, Post Office at SW 2nd and Jefferson.
Fairly open with 30-40 percent deciduous cover, but close
to large building. Heavy use.
Bryum capillare
Grimmia pulvinata
Scleropodium cespitans
Tortula muralis
Site D, Plum Tree Apartments at NW Van Buren and 14th.
Light deciduous cover, narrow walkways between close buildings.
Moderate-heavy use.
Barbula vinealis
Bryum capillare
Homalothecium nuttallii
Tortula muralis
Site E, Corvallis Arts Center, adjacent to Central
Park.
Fairly open with dappled shade and sun, under young locust
trees. Moderate-heavy use.
Barbula vinealis
Eurhynchium praelongum
Funaria hygrometrica
Scleropodium cespitans
Tortula muralis