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pixie cup and reindeer lichens
Cladonia
Cladonia is a genus of lichenized fungi in the family Cladoniaceae. They are the primary food source for reindeer/caribou. Cladonia species are of economic importance to reindeer-herders, such as the Sami in Scandinavia or the Nenets in Russia. Antibiotic compounds are extracted from some species to create antibiotic cream. The light green species Cladonia stellaris is used in flower decorations.
Although the phylogeny of the genus Cladonia is still under investigation, two main morphological groups are commonly differentiated by taxonomists: the Cladonia morpho-type and the Cladina morpho-type. The Cladonia morpho-type has many more species, and is generally described as a group of squamulose (grow from squamules), cup-bearing lichens. The Cladina morpho-types are often referred to as forage lichens, mat-forming lichens, or reindeer lichens (due to their importance as caribou winter forage).
60 branches of this genus, most-observed first

gray reindeer lichen
speciesCladonia rangiferina

Trumpet Lichen
speciesCladonia fimbriata

Common Powderhorn
speciesCladonia coniocraea

British soldier lichen
speciesCladonia cristatella

Cladonia chlorophaea
complexCladonia chlorophaea

Green Reindeer Lichen
speciesCladonia arbuscula

many-forked cladonia
speciesCladonia furcata

Star-tipped Reindeer Lichen
speciesCladonia stellaris

Dragon Horn
speciesCladonia squamosa

Pebbled Pixie Cup
speciesCladonia pyxidata

Dixie Reindeer Lichen
speciesCladonia subtenuis

Lipstick Powderhorn
speciesCladonia macilenta

Reindeer Lichen
speciesCladonia portentosa

Evans' Deer Moss
speciesCladonia evansii

Cladonia foliacea
speciesCladonia foliacea

Thorn Lichen
speciesCladonia uncialis

Cladonia rangiformis
speciesCladonia rangiformis

Smooth Horn Lichen
speciesCladonia gracilis

Toy Soldiers
speciesCladonia bellidiflora

Gritty British soldiers lichen
speciesCladonia floerkeana
Smooth-footed Powderhorn
speciesCladonia ochrochlora

Red-fruited Pixie Cup
speciesCladonia pleurota

Jester Lichen
speciesCladonia leporina

turban cup lichen
speciesCladonia peziziformis

Finger Cup Lichen
speciesCladonia digitata

Ladder Lichen
speciesCladonia verticillata

Fuzzy Reindeer Lichen
speciesCladonia confusa

Stubby-stalked Cladonia
speciesCladonia caespiticia

Stalkless Cladonia
speciesCladonia apodocarpa

Mealy Forked Cladonia
speciesCladonia scabriuscula

Bighorn Lichen
speciesCladonia cornuta

Cladonia rigida
speciesCladonia rigida

Rosette Pixie-cup Lichen
speciesCladonia pocillum

Giant Cladonia Lichen
speciesCladonia maxima

Lesser Sulphur-cup Lichen
speciesCladonia deformis

Split-peg Lichen
speciesCladonia cariosa

Powdered Funnel Lichen
speciesCladonia cenotea

Branched Pixie-cup Lichen
speciesCladonia ramulosa

Southern Soldiers
speciesCladonia didyma

Organ-pipe Lichen
speciesCladonia crispata

Fence-rail Cladonia
speciesCladonia parasitica

Olive Cladonia
speciesCladonia strepsilis

Fishnet Cladonia
speciesCladonia boryi

Dune Cup Lichen
speciesCladonia prostrata

Antlered Powderhorn
speciesCladonia subulata

Cladonia polydactyla
speciesCladonia polydactyla

Wand Lichen
speciesCladonia rei

Peg Lichen
speciesCladonia subcariosa

Quill Lichen
speciesCladonia amaurocraea

Black-footed Reindeer Lichen
speciesCladonia stygia

Crazy Scale Lichen
speciesCladonia turgida

Wooden Soldiers Lichen
speciesCladonia botrytes

Slender Ladder Lichen
speciesCladonia rappii

Greater Sulphur-cup Lichen
speciesCladonia sulphurina

Felt Horn Lichen
speciesCladonia phyllophora

Cladonia skottsbergii
speciesCladonia skottsbergii

Powdery Peg Lichen
speciesCladonia subradiata

Browned Pixie-cup Lichen
speciesCladonia cervicornis

Granite Thorn
speciesCladonia caroliniana

madame's cup lichen
speciesCladonia coccifera
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries
In the stacks
Searching the stacks…
Every page naming Cladonia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 49490.
