Elevation itself does not affect lichen growth
but certain plants/lichens will only be found
within a specific elevation range. But if you are
wondering if you take a rock with lichen on it
from one elevation to another elevation, unless
you are dealing with alpine (higher than 10,000
feet) plants you won't see an effect from
elevation change. Another aspect to look at can
be success growth, such as which types of lichen
are most likely to colonize bare rock and which
lichens will colonize only rocks with other types
of lichen on them (think of a forest after a fire,
plants that show up first a small annual, then
shrubs and finally trees).
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