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Overview
| Synopsis:
| Large, appressed or trailing, puffy, often nodulose lobes, often perforate lobe tips and axils, lobe cavity with dark ceilings and floors; like H. apinnata but with short, bud-like side lobes and medulla P+R.
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| Distribution:
| North American endemic, Alaska to California, inland to Montana
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| Habitat:
| oceanic to suboceanic forests and open habitats
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| Range:
| Pacific Northwest Immediate Coast, Northern Rocky Mountains, Pacific Northwest
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| Substrate Notes: | On conifers, both bark and wood, less often on hardwoods, rarely on rock or mossy rock
| | Abundance in North America: | Locally common
| | Substrate: | Typically
| | Host: | Conifers and hardwoods, bark and wood
| | On Rock: | Never
| | On Moss/Detritus/Sod: | Never
| | Authority: | (Ach.) Nyl.
| | References: | Pike and Hale (1982).
| | Synonymy: | Hypogymnia tumidula
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Habit
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Vegetative Structures
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Adventitious branches and budding
5/13
Perforate lobe tips
12/13
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Reproductive Structures
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Ascospores
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Chemistry
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P+orange-red
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