Platismatia glauca (L.) W.L. Culb. & C.F. Culb., 1968
| Common name | Variable Ragbag |
|---|---|
| Code |
PLATGLA |
| Field Characters | Large, foliose chlorolichens. Relatively minimal attachments, forming frilly, wavy erect thalli. Grey to brownish grey upper cortex, lower cortex mostly black, mottled with pale patches. Isidia and soredia common, apothecia rare. Rhizines sparse, scattered, |
| Similar species & genera |
Punctelia: thalli more adnate, with relatively abundant, uniform rhizines, lacking isidia. |
| Ecology | Largely epiphytic, mostly on conifers, occasionally on rocks or downed wood. Common in the foothills and mountains in Alberta, occasional to rare across the boreal, rare in the shield. Absent from parkland and grassland sites. Most abundant in mature to old growth white spruce and pine forests. |
| Chemistry | Upper cortex K+ yellow, C-, KC-, P+ yellow (atranorin, chloroatranorin). Medulla K-, C-, KC-, P-, UV- (caperatic acid). |
| Molecular support |
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| Links | |
| Gallery |
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- Platismatia glauca, Lac la Biche region, AB
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- Platismatia glauca, Lac la Biche region, AB
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- Platismatia glauca, Lac la Biche region, AB
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- Platismatia glauca, upper cortex, Blue Lake, Hinton region, AB
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- Platismatia glauca, lower cortex, Blue Lake, Hinton region, AB
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- Platismatia glauca, Jackman Flats, BC
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- Platismatia glauca, Kananaskis region, AB
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- Platismatia glauca, showing dark, patchy lower cortex, Kananaskis region, AB
