description Dactylina arctica Overview
Dactylina arctica is a fruticose lichen with hollow, finger-like lobes. It is associated with Arctic tundra and other circumpolar habitats, where its inflated form is adapted to exposed cold environments. The species is also recognized as a winter food source for caribou, linking it to the ecology of northern herbivore communities.
help Dactylina arctica FAQ
What does Dactylina arctica look like?
Dactylina arctica has hollow, finger-like lobes that give it an inflated, upright or branching appearance. Those tubular lobes are its most recognizable structural feature.
Where does Dactylina arctica grow?
It is associated with Arctic tundra and other circumpolar habitats. The species is adapted to exposed cold environments rather than humid woodland bark.
Do caribou eat Dactylina arctica?
Dactylina arctica is recognized as a winter food source for caribou. That makes it relevant not only to lichen identification but also to Arctic grazing ecology.
Is Dactylina arctica a crustose lichen?
No. It is a fruticose lichen with three-dimensional, hollow lobes that rise above the substrate.
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