Private Herbarium of Jason Hollinger
(hb. Hollinger)
Taxon: Rhizocarpon macrosporum Räsänen
Family: Rhizocarpaceae
Determiner: Jason Hollinger (2019-09-06)
ID Remarks: ID certainty: positive
Collector: Jason Hollinger   23487   
Date: 2019-09-06
Additional Collectors: 2019 Tuckerman Workshop
Locality: Canada, Ontario, Sleeping Giant Provincial Park, Thunder Bay Lookout
48.4754  -88.8234 +-5m.
Elevation: 300 meters (984ft)
Habitat: mixed boreal forest dominated by _Abies_, _Picea_, _Populus_ and _Betula_ on steep NW sandstone and shale slope above lake
Substrate: sandstone on ground
Notes: thallus K- C- KC- P-; areoles not collar-like larger and brighter; epihymenium K-; spores 8 per ascus, dark, muriform, ~35-40x18-20um
Specimen Images
Record ID: b953ac54-8979-4846-a147-da09b8c5126d
For additional information on this specimen, please contact: Jason Hollinger (
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