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Lichens Index 15:
Usnea to Xylographa

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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.

Usnea amblyoclada
Usnea baileyi
Usnea cavernosa
Usnea ceratina
Usnea cornuta
Usnea dasopoga
Usnea dimorpha
Usnea diplotypus
Usnea esperantiana
Usnea filipendula (see Usnea dasopoga)
Usnea flammea
Usnea flavocardia
Usnea fragilescens
Usnea glabrata
Usnea hesperina (see Usnea subgracilis)
Usnea hirta
Usnea intermedia
Usnea lapponica
Usnea longissima
Usnea mutabilis
Usnea occidentalis
Usnea parvula
Usnea perplectata (see Usnea baileyi)
Usnea praetervisa
Usnea rubicunda
Usnea scabrata
Usnea silesiaca
Usnea sphacelata (or U. lambii)
Usnea strigosa
Usnea subfloridana
Usnea subgracilis
Usnea subscabrosa
Usnea substerilis cfr.
Usnea trichodea
Usnea (unidentified species)

Usnocetraria oakesiana

Vahliella leucophaea
Vahliella saubinetti (see Fuscopannaria pacifica)

Varicellaria velata

Variolaria amara
Variolaria multipunctoides
Variolaria ophthalmiza
Variolaria pustulata


Verrucaria calciseda (see Bagliettoa calciseda)
Verrucaria epimaura
Verrucaria epimaura with Hydropunctaria maura
Verrucaria inficiens
Verrucaria nigrescens
Verrucaria subdivisa
Verrucaria (unidentified species)

Vestergrenopsis elaeina
Vestergrenopsis isidiata
Vestergrenopsis sonomensis

Vulpicida canadensis
Vulpicida juniperina
Vulpicida pinastri
Vulpicida tilesii (see Vulpicida juniperina)
Vulpicida viridis

Xanthocarpia crenulatella
Xanthocarpia crenulatella group
Xanthocarpia tominii

Xanthomendoza fallax
Xanthomendoza fulva
Xanthomendoza galereticulata
Xanthomendoza hasseana
Xanthomendoza montana
Xanthomendoza oregana
Xanthomendoza trachyphylla
Xanthomendoza ulophyllodes
Xanthomendoza (unidentified species)

Xanthoparmelia ahtii
Xanthoparmelia ajoensis

Xanthoparmelia atticoides
Xanthoparmelia brunella
Xanthoparmelia californica
Xanthoparmelia camtschadalis
Xanthoparmelia chiricahuensis
Xanthoparmelia chlorochroa
Xanthoparmelia coloradoensis
Xanthoparmelia conspersa
Xanthoparmelia cumberlandia
Xanthoparmelia hypomelaena
Xanthoparmelia idahoensis cfr.
Xanthoparmelia lavicola
Xanthoparmelia lineola
Xanthoparmelia loxodes
Xanthoparmelia maricopensis
Xanthoparmelia mexicana
Xanthoparmelia mougeotii
Xanthoparmelia neochlorochra
Xanthoparmelia nigropsoromifera
Xanthoparmelia norchlorochra
Xanthoparmelia novomexicana
Xanthoparmelia plittii
Xanthoparmelia schmidtii
Xanthoparmelia stenophylla
Xanthoparmelia subhosseana
Xanthoparmelia subramigera
Xanthoparmelia substenophylloides
Xanthoparmelia verruculifera
Xanthoparmelia weberi
Xanthoparmelia wyomingica
Xanthoparmelia (unidentified species)

Xanthoria candelaria (see Polycauliona candelaria)
Xanthoria elegans (see Rusavskia elegans)
Xanthoria parietina
Xanthoria pollinarioides (see Polycauliona pollinarioides)
Xanthoria polycarpa (see Polycauliona polycarpa)
Xanthoria sorediata (see Rusavskia sorediata)
Xanthoria (in the former, broad sense) --unidentified species

Xylographa hians
Xylographa opegraphella
Xylographa parallela
Xylographa vitiligo

 

usnea cirrosa thumbnail graphic
Usnea parvula (probably)

 

 

 

 

 

usnea rubicunda thumbnail graphic
Usnea rubicunda

 

 

 

 

 

 

vulpicida thumbnail graphic
Vulpicida tilesii

 

 

 

 

 

 

xanthoparmelia thumbnail graphic
Xanthoparmelia sp.

 

 

 

 



 

xanthoria thumbnail graphic
Rusavskia elegans


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Sticta to Umbilicaria

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Lichen Mysteries