Mosses, Liverworts, and Lichens
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Species Types
Scientific Name
Teloschistes chrysopthalmus
Description
Gold-eye lichen is quite small but easy to identify. It grows on twigs and small branches. It is shrubby with yellowish branching stalks. The apothecia disks are bright orange and have spiny-looking appendages around the rim.
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Species Types
Scientific Name
Xanthoria spp. (also Xanthomendoza; Polycauliona)
Description
Orange sunburst lichens are orange or yellow orange. They have a circular, foliose growth pattern with tiny, branching lobes, but this pattern is often lost when these lichens form masses of tiny scale-like fragments. They can be very common on sunny rocks and tombstones.
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Species Types
Scientific Name
About 436 species in Missouri
Description
A lichen is a composite organism formed by certain fungus species that join with certain algae species. Lichens can be many colors and can be crusty, leaflike, flaky, branching, or mossy. They grow on rocks, trees, or other surfaces.
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Species Types
Scientific Name
Caloplaca spp.
Description
Firedot lichens are usually orange, yellow, rusty, or brown and look like tiny dots on a surface. To see these crustose lichens well, you often must get on your hands and knees and use a hand lens.
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Species Types
Scientific Name
Candelariella spp.
Description
Goldspeck lichens are orange to yellow crustose lichens that are frequently seen growing on rocks, wood, or other substrates. Missouri has about three species.
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Species Types
Scientific Name
Lecanora spp.
Description
Rim lichens have mostly disk-shaped apothecia (spore-bearing structures) encircled by noticeable rims that are the same color as the rest of the lichen body. This is a large group, plus there are lots of lookalikes.
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Species Types
Scientific Name
Polytrichum juniperinum
Description
Juniper haircap moss is common and easy to recognize, since it looks like a tiny forest of juniper sprigs. It’s called a haircap moss because the young capsules have densely hairy caps.
See Also
About Mosses, Liverworts, and Lichens in Missouri
Mosses, liverworts, hornworts, and lichens seem rather similar, but these organisms are in very different groups. Mosses, liverworts, and hornworts are small, low plants usually found in damp habitats. Unlike more familiar plants, they lack veinlike structures and do not produce flowers or seeds — instead, they produce spores. Meanwhile, lichens are not plants at all: they are a collection of different fungi that have photosynthetic algae living within their tissues.