Imshaugia aleurites (Ach.) S.L.F. Mey., 1985
| Common name | Salted Starburst |
|---|---|
| Code | IMSHALE |
| Field Characters | Small, leafy lichens. Thalli typically appressed to loosely appressed, with lobes 1-2 mm wide. Upper cortex white to browned, with a crepe-like texture and slightly shiny sheen. Lower cortex typically pale to tan brown, with short, simple rhizines. Irregular patches of cylindrical isidia present laminally. Apothecia rare, when present with a brown disc and white irregular margin. Pycnidia common, black, barrel shaped, embedded in the surface. |
| Similar species & genera |
Imshaugia placorodia: lacks isidia, apotheciate, with superficial pycnidia.
Parmeliopsis hyperopta: with laminal, circular soralia, K+pale yellow (atranorin). Physcia: typically maculate, lower cortex white or pale, apothecia when present with a black disc, pycnidia when present are immersed, not promimant. |
| Ecology | Epiphytic, on conifer branches and downed wood. Common in the boreal, foothills and shield regions, rarer in the mountains and grasslands, in open well-lit woodlands including both dry (jack pine) and wet (black spruce) sites. |
| Chemistry | Cortex PD+ deep yellow to orange, K+ deep yellow, KC-, C- (thamnolic acid). |
| Molecular support |
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| Links | |
| Gallery |
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- Imshaugia aleurites, Grande Cache region, AB
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- Imshaugia aleurites, Lac la Biche region, AB
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- Imshaugia aleurites, Island Lake region, AB
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- Imshaugia aleurites, Jackman Flats, BC
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- Imshaugia aleurites, Jackman Flats, BC
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- Imshaugia aleurites, Jackman Flats, BC
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- Imshaugia aleurites, Lac la Biche region, AB
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- Imshaugia aleurites, Lac la Biche region, AB
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- Imshaugia aleurites, Lac la Biche region, AB
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- Imshaugia aleurites isidia, ALTA Collection
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- Imshaugia aleurites lower surface, ALTA Collection
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- Imshaugia aleurites lower surface, ALTA Collection
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- Imshaugia aleurites with apothecia, ALTA Collection
