Shirley C. Tucker Herbarium at Louisiana State University (LSU:Lichens)
LSU00147132
4be680a7-2b07-430b-a3e5-7a22a65efa0a
145629
Placidium squamulosum (Ach.) Breuss
Verrucariaceae
S. R. Olszewski
Spores, simple, hyaline, 10.5-14.5X5-6um; 8 per ascus, IKI+yellow-brown. Thallus with dark-coloured upper and lower cortex in microscopic section.
S. R. Olszewski
4999b
1999-11-18
Canada, Ontario, Quarry Road pits, west side of Quarry Rd., south of Regional Rd. 3 Grid Reference: 638300 4749200 [1981]. Wainfleet Township, Niagara Regional Municipality.
42.883333 -79.308333
42° 53' N 79° 18' 30'' W
800 meters (2624ft)
On soil on floor of abandoned limestone quarry. Partially shaded by shrubs.