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Alphabetical list of named lichen images

Followed by other large images on this website

Images of named taxa are given first, ordered alphabetically, occasionally with comments in the final column. These are followed by images of miscellaneous subjects

Acarospora citrina                                                         

 

Acarospora citrina

Growing like 'veins' on the rocks

Amandinea punctata

On a clear polycarbonate sheet

Aspicilia fruticulosa

 

Aspicilia fruticulosa & Aspicilia vagans

 

Aspicilia

Endolithic

Austroparmelina pruinata

Painting by G.R.M. Dashorst

Austroparmelina pseudorelicina

 

Baeomyces heteromorphus

 

Biatorina erysiboides

On corroded glass

Photo from Ethel Mellor's doctoral thesis

Buellia frigida &

Buellia foecunda

Rex Filson illustration

Buellia grimmiae

Rex Filson illustration

Buellia subcoronata

 

Byssoloma

On a leaf

Calicium chrysocephalum

James Sowerby illustration

Caloplaca cinnabarina

 

Caloplaca cinnabarina

 

Caloplaca

 

Caloplaca

 

Caloplaca

 

Caloplaca

 

Caloplaca

On an old shoe. An unidentified black apothecial species is also present.

Caloplaca

On a bitumen path

Candelariella ?aurella

On a concrete path

Cetrelia olivetorum

Showing pseudocyphellae

Chrysothrix xanthina

 

Chrysothrix

On a wooden seat

Chrysothrix

On a wooden power pole

Cladia aggregata

 

Cladia aggregata

 

Cladia moniliformis

 

Cladia retipora

 

Cladonia ustulata

 

Cladonia

 

Cladonia

Distant view of squamules

Cladonia

Close view of massed squamules

Cladonia

Trumpet-like podetia

Cladonia

Detail from previous photo

Cladonia

 

Coenogonium implexum

 

Collema coccophorum

 

Collema

 

Conotrema urceolatum

 

Cryptothecia scripta

 

Dictyonema sericeum

 

Dictyonema sericeum

 

Diploicia canescens

On corroded glass

Photo from a 1922 paper by Mellor & Davy de Virville

Diploschistes thunbergianus

Distant view

Diploschistes thunbergianus

Closer view

Diploschistes thunbergianus

Close view showing apothecia

Dirinaria picta

 

Endocarpon pusillum

 

Endocarpon pusillum

Cortex scraped away to reveal alga

Flavoparmelia rutidota

 

Fulgensia cranfieldii

Close view

Fulgensia cranfieldii

Distant view

Fuscopannaria subimmixta

Close view

Fuscopannaria subimmixta

Distant view

Graphina rubens

 

Graphis mucronata

 

Graphis treubii

 

Gyrophora murina

James Sowerby illustration

Haematomma africanum

 

Haematomma eremaeum

 

Heppia despreauxii

 

Herpothallon

 

Heterodea beaugleholei

 

Heterodea muelleri

Wet

Heterodea muelleri

Dry

Heterodermia leucomelos

 

Hypocenomyce australis

 

Hypogymnia pulverata

 

Lasallia papulosa

 

Lasallia pustulata

Close-up with coralloid isidia

Lasallia pustulata

 

Lecanora caesiorubella

 

Lecanora conizaeoides

 

Lecanora epibryon

On dead grass

Lecanora pseudistera

Close view

Lecanora pseudistera

Distant view

Letharia vulpina

 

Lecidea terrena

 

Lecidea

 

Lecidea

 

Leioderma pycnophorum

 

Lepraria lobificans

 

Lichen caninus

James Sowerby illustration

Lichen ceuthocarpus

James Sowerby illustration

Lichen murorum

James Sowerby illustration

Lichen rufescens

James Sowerby illustration

Lichen sylvaticus

James Sowerby illustration

Lichenomphalia chromacea

Close view

Lichenomphalia chromacea

Distant view

Menegazzia platytrema

 

Metus conglomeratus

 

Multiclavula mucida

 

Myelorrhiza antrea

An example of this species' habitat

Neophyllis melacarpa

 

Nephroma cellulosum

Apothecia

Nephroma cellulosum

Upper side of thallus

Nephroma cellulosum

Upper side of thallus - close view

Nostoc

 

Ochrolechia tartarea

 

Opegrapha varia

Plate 28 from A text-book of general lichenology by Albert Schneider

Opegrapha venosa

James Sowerby illustration

Pannaria sphinctrina

 

Paraparmelia lithophiloides

 

Paraporpidia leptocarpa

 

Parmelia signifera

Showing the pseudocyphellae on the upper side of the thallus

Parmeliopsis chlorolecanorica

Part of an isotype

Parmotrema perlatum

Thallus margin with soralia

Peltigera canina

Plate 72 from A text-book of general lichenology by Albert Schneider

Peltigera

 

Peltula

 

Pertusaria pseudodactylina

 

Pertusaria subventosa

With soralia

Pertusaria melaleucoides

 

Pertusaria novaezelandiae

Unicellular spores

Pertusaria

Spores in asci

Phaeographina lamii

 

Phlyctis

Multi-septate spore

Placidium squamulosum

 

Placodium murorum

On corroded glass

Photo from Ethel Mellor's doctoral thesis

Placodium murorum

On corroded glass

Photo from Ethel Mellor's doctoral thesis

Placopsis perrugosa

 

Placopsis

Two thalli with  superficial cephalodia

Pseudocyphellaria billardierei

 

Pseudocyphellaria crocata

 

Pseudocyphellaria multifida

 

Pseudocyphellaria

 

Pseudocyphellaria

 

Psora crystallifera

 

Psora decipiens

Showing pruinosity

Psora decipiens

 

Psora decipiens

With apothecia

Punctelia borreri & Punctelia subrudecta

Thallus undersides

Pyxine cocoes

 

Ramalina siliquosa

Seaside rock wall dominated by this species

Ramalina siliquosa, Caloplaca sp. and Tephromela atra

 

Ramboldia petraeoides

 

Relicina gemmulosa

 

Rhizocarpon geographicum

Distant view

Rhizocarpon geographicum

Close view, with apothecia

Roccella canariensis

Dry

Sagedia macrospora

Illustration from a 1901 paper by Miyoshi

Siphula coriacea

 

Siphula coriacea

A very unusual disc-like form

Sporopodium vezdeanum

On a leaf

Stereocaulon ramulosum

 

Sticta limbata

 

Sticta

 

Sticta

Showing the dot-like cyphellae on the underside of the thallus

Stictis

 

Strigula smaragdula

On a leaf

Strigula subtilissima

On a leaf

Strigula subtilissima

Closer view of perithecia

Teloschistes

Namibian scene

Teloschistes

 

Tephromela atra

 

Thamnolia vermicularis

 

Thysanothecium scutellatum

 

Thysanothecium sorediatum

On a cloth seat in a long-abandoned car

Trapelia crystallifera

 

Trapelia

 

Umbilicaria decussata

 

Umbilicaria pustulata

Plate 27 from A text-book of general lichenology by Albert Schneider

Umbilicaria

Rex Filson illustration

Usnea antarctica

Rex Filson illustration

Usnea himantodes

 

Usnea inermis

 

Usnea scabrida

 

Usnea

On a street sign

Usnea

 

Usnea

In tree canopies

Xanthomaculina convoluta

 

Xanthomaculina convoluta

Micro-photographs reproduced from the journal Dinteria

Xanthoparmelia amplexula

 

Xanthoparmelia arapilensis

 

Xanthoparmelia baeomycesica

Part of an isotype

Xanthoparmelia convoluta

Dry

Xanthoparmelia cravenii

 

Xanthoparmelia ewersii

Overall view of thallus

Xanthoparmelia ewersii

Close-up of isidia-free margin

Xanthoparmelia ewersii

Close-up of a densely isidiate area

Xanthoparmelia mougeotina

On a glass bottle

Xanthoparmelia notata

 

Xanthoparmelia praegnans

 

Xanthoparmelia pseudoamphixantha

 

Xanthoparmelia pulla

 

Xanthoparmelia reptans

 

Xanthoparmelia reptans

 

Xanthoparmelia semiviridis

Dry

Xanthoparmelia semiviridis

Wet

Xanthoparmelia semiviridis

With apothecia

Xanthoparmelia semiviridis

 

Xanthoparmelia substrigosa

 

Xanthoparmelia taractica

 

Xanthoparmelia versicolor

 

Xanthoparmelia

On rusted metal

Xanthoparmelia

On rusted metal

Xanthoparmelia

On a discarded kettle

Xanthoparmelia

Closer view of a thallus on the discarded kettle

Xanthoparmelia

On a metal cover in suburban street

Xanthoparmelia

On a disused school bus

Xanthoparmelia

On bitumen

Xanthoparmelia

 

Xanthoparmelia

 

Xanthoparmelia

On pebbles embedded in soil

Xanthoparmelia

 

Xanthoparmelia

On shade cloth

Xanthoparmelia

Hillside covered with  thalli of this genus

Xanthoparmelia

On subalpine boulders

Xanthoparmelia

 

Xanthoria filsonii

 

 

Xanthoria

Reddish-purple reaction after application of potassium hydroxide

Xanthoria

Growing on a net

Xanthoria

On a bone

Xanthoria & Ramalina

 

Miscellaneous subjects

   

Bird's nest with foliose lichen fragments

 

Mixed lichens on an old leather shoe

 

An unidentified lichen growing on an old leather shoe

 

An unidentified graphid species

 

Unidentified red alga on a twig

 

Mixed lichens on rock in grassland

 

Mixed lichens on rock

 

Mixed lichens on rock

 

Boulders in grassland

 

Biological soil crust dominated by lichens

 

Biological soil crust -dry

 

Biological soil crust - wet

 

Mixed lichens on concrete showing an inhibition zone in the drip-line below a handrail

 

Lichens on a boulder with a metal plaque

 

Paved area

 

Lichens on urban paving

 

Paved area

 

Paved area with lichens

 

Mixed lichens on office window ledge

 

Ghosts of departed lichens

 

Jack Elix

 

Visitors from the University of Marburg, 1987

 

Lichens of South Australia

Cover & preface

Lichens of South Australia

Two sample pages

Charles Knight's drawings

 

Flimsy thalli

From A text-book of general lichenology by Albert Schneider

Thallus variety

From A text-book of general lichenology by Albert Schneider

Homoiomerous thalli

From A text-book of general lichenology by Albert Schneider

Cyphella and pseudocyphella

From A text-book of general lichenology by Albert Schneider

Apothecia and perithecia

From A text-book of general lichenology by Albert Schneider

Asci

From A text-book of general lichenology by Albert Schneider

Spores - simple or transversely septate

From A text-book of general lichenology by Albert Schneider

Muriform spores

From A text-book of general lichenology by Albert Schneider

Spores - some more septate forms

From A text-book of general lichenology by Albert Schneider

Gnomes in a bed of lichen

 

Wool dyed with a New Zealand species of Sticta

 

Examples of colours produced by lichen dyes

Links to a PDF

Plate 1 from G.F. Hoffmann's prize-winning essay of 1786

Examples of colours produced by lichen dyes

Links to a PDF

Plate 2 from G.F. Hoffmann's prize-winning essay of 1786

Iceland Moss candy

An 1851 advertisement from The Argus

Gathering iwatake

 

A plate from Casimir Roumegučre's Cryptogamie illustrée

 

Plate 14 from Margaret Plues' Rambles in Search of Flowerless Plants