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Sharnoff Photos
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Lichens Index 13:
Rhizoplaca to Stereocaulon

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Lichens Home Page

Each name links to a page displaying 1 to 35 images. Most of the lichens in the photos are well-identified from voucher specimens, but I have included some whose identity is uncertain; almost all of these are also backed up by voucher specimens. Where something is identified only to a species "group", or is cfr. or sensu lato, I have placed it on the page with that species.

Rhizoplaca chrysoleuca
Rhizoplaca haydenii
Rhizoplaca idahoensis
Rhizoplaca marginalis
Rhizoplaca melanophthalma (attached)
Rhizoplaca melanophthalma (vagrant)
Rhizoplaca novomexicana
Rhizoplaca peltata (see Protoparmeliopsis peltata)
Rhizoplaca phaedrophthalma
Rhizoplaca subdiscrepans
Rhizoplaca (unidentified species)

Rimularia sp.

Rinodina archaea
Rinodina ascociscana
Rinodina bolanderi
Rinodina californiensis
Rinodina conradii
Rinodina flavosoralifera
Rinodina herrei
Rinodina mniaroea
Rinodina populicola
Rinodina roscida
Rinodina tephraspis
Rinodina turfacea
Rinodina (unidentified species)

Roccella decipiens
Roccella gracilis

Ropalospora chlorantha

Rostania occultata

Rufoplaca arenaria

Rusavskia elegans
Rusavskia sorediata

Sagedia mastrucata

Sarcographa labyrinthica
Sarcographa tricosa cfr.

Sarcogyne clavus
Sarcogyne hypophaea
Sarcogyne regularis
Sarcogyne (unidentified species)

Schaereria fuscocinerea

Schizopelte californica
Schizopelte crustosa
Schizopelte parishii (formerly Hubbsia parishii)

Scoliciosporum chlorococcum

Scytinium californicum (Scytinium species formerly in Leptogium)
Scytinium gelatinosum
Scytinium lichenoides
Scytinium palmatum
Scytinium platynum
Scytinium polycarpum
Scytinium rivale
Scytinium siskiyouensis cfr.
Scytinium subaridum
Scytinium tenuissimum

Segrestia lectissima

Seirophora californica

Sigridea californica

Siphula ceratites

Solenopsora sp.

Solitaria chrysophthalma

Solorina bispora
Solorina crocea
Solorina saccata
Solorina spongiosa

Speerschneidera euploca

Sphaerophorus fragilis
Sphaerophorus globosus (see S. tuckermanii and S. venerabilis)
Sphaerophorus tuckermanii
Sphaerophorus venerabilis

Sphinctrina tubaeformis
Sphinctrina turbinata

Spilonema revertens

Sporastatia polyspora
Sporastatia testudinea

Squamarina lentigera

Squamulea galactophyla group
Squamulea squamosa
Squamulea subsoluta

Staurothele areolata
Staurothele diffractella (see Willeya diffractella)
Staurothele drummondii
Staurothele fissa
Staurothele monicae
Staurothele (unidentified species)

Stegobolus granulosus (see Rhabdodiscus granulosus)

Steineropsis alaskana

Stereocaulon alpinum
Stereocaulon arenarium
Stereocaulon coniophyllum
Stereocaulon dactylophyllum
Stereocaulon grande
Stereocaulon groenlandicum
Stereocaulon intermedium
Stereocaulon octomerum
Stereocaulon paschale
Stereocaulon pileatum
Stereocaulon rivulorum
Stereocaulon sasakii
Stereocaulon saxatile
Stereocaulon spathuliferum
Stereocaulon sterile
Stereocaulon tennesseense
Stereocaulon tomentosum
Stereocaulon vesuvianum
Stereocaulon (unidentified species)

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Rhizoplaca melanophthalma
(vagrant form)





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Roccella gracilis







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Schaereria fuscocinerea cfr.








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Schizopelte californica









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Sphaerophorus tuckermanii





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Stereocaulon sasakii

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Lichens Index 12:
Psilolechia to Rhizocarpon

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Lichens Index 14:
Sticta to Umbilicaria