Download Grimmia laevigata

Cladonia rangiferina –
whitish and finely
structured thallus
Cladonia caroliniana fat thallus, greenish
Cladonia subtenuis –
greenish, finely
structured thallus
Grimmia laevigata
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Pioneer species on
granite
Tiny, low growing
Hoary, frosty appearance
Grimmia laevigata
Xanthoparmelia
conspersa – prostrate on
open rocks, has pale
surface and a shiny black
underside
Polytrichum commune
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Large moss with upright “stems”
Gametophyte is dominant
Photo shows sporophytes
growing out of some
gametophytes
Sphagnum sp.
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Epidermis cells fill with water,
hence wet even when the area
is dry
Dreadlock looking
Dead plants are “peat moss”
used as soil amendment
Alnus serrulata
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Has nitrogen fixing bacteria
(but not legume)
Female inflorescences look
like pine cones
Male catkins are long and
the females are short
Diamorpha smallii
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Found in shallow soil (annual)
Red succulent leaves
White flower
CAM
Erythronium sp.
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2 mottled leaves
Large yellow flower
Spring herb: takes advantage of
early phenoseason sun
Seeds dispersed by ants
(myrmecochory!)
Minuartia uniflora and M. glabra
Annuals
Granite outcrop endemics!
M. uniflora –smaller
flower
M. glabra- larger flower
Hypericum frondosum
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Grows in deeper soils
Has boat-shaped leaves
Peely bark- smooth once it
peels
Bright yellow flowers
Krigia virginica
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Found in shallow soils (annual)
Toothed leaves
Manfreda virginica
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Relative of agave
Fairly long and thick
spine-tipped fleshy
leaves
Monocarpic perennial
Opuntia compressa
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Spines
CAM
Survives cold winters without
freezing using freezing point
depression (lots solutes in cells)
Packera tomentosa
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Vertical leaves (avoids solar input
at mid-day)
Relatively long white hair on
leaves (increases albedo!)
Saxifraga virginiensis
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5-petaled white flower
Hairy flower stalk
Rosette forming cluster of broad
leaves
Bottom of leaf is reddish
Isoetes sp.
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Looks like grass (long
thin leaves)
Sporeforming plant
(member Lycophyta:
club moss phylum)
Has a bulbous base