14 terms

Reindeer Lichen Key Terms

A project of iDigBio and the Working group ARPO (Augmented Reality for Public Outreach) Lichen card content contributed by Jennifer Kluse and Tim Jones at the Louisiana State University; Dorothy J Allard, Pringle Herbarium, University of Vermont; and Anne Basham, Arizona State University. https://www.idigbio.org/
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lichen
A symbiotic relationship between a fungus and a photosynthetic algae or cyanobacteria.
symbiosis
The living together of different organisms, often to the benefit of both organisms.
fungi
A kingdom of life, including mushrooms, molds, and yeasts.
algae
Aquatic organisms that generally make energy using sunlight, but unlike plants, lack true roots, stems, leaves, and vascular tissue.
caribou
North American reindeer (Rangifer tarandus).
Photo credit: Jennifer Kluse
crustose
A form of lichen that lies flat and attaches firmly on a surface. Photo credit: Timothy Jones
poikilohydric
In dry conditions, cells dry out without dying, a mechanism not known from most vascular plants.
bioindicator
A species that is used to assess the quality and changes in an environment. Lichens are used as bioindicators of air pollution and climate change.
foliose
A form of lichen that partially attaches to a surface and appears leafy. Photo credit: Timothy Jones
apothecia
Fungal reproductive structures, which produce spores. On reindeer lichen, they appear as darkened tips of the podetia.
fruticose
One of the three main forms of lichen found branching upward like a shrub of hanging downward in strands.
hyphae
Fungal filaments that comprise the body of a fungus.
podetia
The branching structures of foliose lichens.
climate change
A long-term shift in the average climate; the earth's most recent climate change is most likely caused by the burning of fossil fuels.
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