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"Andrea nivalis, natural size; 2. the same much magnified; 3. spore-case with the torn calyptra; 4. spore-case after the discharge of the spores; 5. columella with a few spores adhering." -Lindley, 1853

Andrea nivalis

"Andrea nivalis, natural size; 2. the same much magnified; 3. spore-case with the torn calyptra; 4.…

The moss, Andraea rupestris much magnified.

Andreaea Moss

The moss, Andraea rupestris much magnified.

Cetraria is also known as Iceland Moss, and is used for medicinal purposes.

Cetraria Islandica

Cetraria is also known as Iceland Moss, and is used for medicinal purposes.

Cyanthus is also known as the bird's nest fungi.

Cyanthus

Cyanthus is also known as the bird's nest fungi.

"A greatly magnified view of a perpendicular section of Parmelia aipolia, showing the thecae in the shield, a; b, the hypothecium and some gonidia beneath it; c, the medullary region; and d, the gonimic layer." -Lindley, 1853

Leaf Lichen

"A greatly magnified view of a perpendicular section of Parmelia aipolia, showing the thecae in the…

An order of flowerless or cryptogamous plants. All plants are classified as belonging to the flowering or flowerless division, lichens being included with the latter. They are found native in all zones up to the snow line.

Lichens

An order of flowerless or cryptogamous plants. All plants are classified as belonging to the flowering…

"A. Lecanora esculenta; B. Lecanora affinis." -Lindley, 1853

Lichens

"A. Lecanora esculenta; B. Lecanora affinis." -Lindley, 1853

Mosses can withstand a variety of temperatures. They grow on rocks or plant life.

Moss

Mosses can withstand a variety of temperatures. They grow on rocks or plant life.

Also known as Puccinia graminis. This fungus is a significant detriment to cereal crops. It is currently spreading across Africa, Asia, and the Middle East. This image depicts a a spore of the fungus germinating and producing Sporidia on the tips of small stalks.

Stem Rust

Also known as Puccinia graminis. This fungus is a significant detriment to cereal crops. It is currently…