Summary description from Wikipedia:

Physcia thomsoniana in languages:

English

Thomson's Rosette Lichen

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Parent Taxon

• Physcia

Sibling Taxa

• Physcia abuensis
• Physcia adscendens
• Physcia affixa
• Physcia aipolia
• Physcia aipolioides
• Physcia alba
• Physcia albata
• Physcia albinea
• Physcia alnophila
• Physcia americana
• Physcia atrostriata
• Physcia austrostellaris
• Physcia biziana
• Physcia caesia
• Physcia clementei
• Physcia convexa
• Physcia convexella
• Physcia crispa
• Physcia dakotensis
• Physcia decorticata
• Physcia dilatata
• Physcia dimidiata
• Physcia dubia
• Physcia duplicorticata
• Physcia erosula
• Physcia erumpens
• Physcia flammula
• Physcia halei
• Physcia hispida
• Physcia integrata
• Physcia jackii
• Physcia krogiae
• Physcia leptalea
• Physcia magnussonii
• Physcia melanocarpoides
• Physcia mexicana
• Physcia millegrana
• Physcia montana
• Physcia nashii
• Physcia neglecta
• Physcia neogaea
• Physcia nubila
• Physcia obscura
• Physcia phaea
• Physcia poncinsii
• Physcia pseudospeciosa
• Physcia pumilior
• Physcia sinuosa
• Physcia solistella
• Physcia sorediosa
• Physcia stellaris
• Physcia subalbinea
• Physcia subtilis
• Physcia synthalea
• Physcia tenella
• Physcia tenellula
• Physcia tenuis
• Physcia thomsoniana
• Physcia tribacia
• Physcia tribacioides
• Physcia undulata
• Physcia venustula
• Physcia verdonii
• Physcia villosula
• Physcia vitii
• Physcia zuluensis

Top Observation Places

• The Bronx
• Washington Heights
• Harlem
• Fordham
• Kings Bridge