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Scientific Names

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Udotea conglutinata Umbilicaria polyphylla Usnea glabrescens
Udotea flabellum Umbilicaria proboscidea Usnea hesperina
Ulex europaeus Umbilicaria torrefacta Usnea hirta
Ulmus alata Umbilicaria vellea Usnea intermedia
Ulmus americana Umbilicaria virginis Usnea merrillii
Ulmus crassifolia Ungnadia speciosa Usnea mutabilis
Ulmus glabra Uniola paniculata Usnea pensylvanica
Ulmus minor Urena lobata Usnea perplexans
Ulmus parvifolia Urochloa adspersa Usnea rubicunda
Ulmus pumila Urochloa arizonica Usnea scabiosa
Ulmus rubra Urochloa ciliatissima Usnea scabrata
Ulmus serotina Urochloa fusca Usnea strigosa
Ulmus thomasii Urochloa mutica Usnea subfloridana
Ulota coarctata Urochloa platyphylla Usnea subfusca
Ulota crispa Urochloa ramosa Usnea subgracilis
Ulota hutchinsiae Urochloa reptans Usnea subscabrosa
Ulota megalospora Urochloa texana Usnea substerilis
Ulota obtusiuscula Uropappus lindleyi Usnea trichodea
Ulota phyllantha Urospermum picroides Usnocetraria oakesiana
Ulothrix speciosa Urospora penicilliformis Utricularia cornuta
Ulva californica Urtica chamaedryoides Utricularia floridana
Ulva compressa Urtica dioica Utricularia foliosa
Ulva fenestrata Urtica gracilenta Utricularia geminiscapa
Ulva flexuosa Urtica urens Utricularia gibba
Ulva intestinalis Urvillea ulmacea Utricularia inflata
Ulva lactuca Usnea amblyoclada Utricularia intermedia
Ulva linza Usnea angulata Utricularia juncea
Ulva lobata Usnea barbata Utricularia macrorhiza
Ulva prolifera Usnea cavernosa Utricularia minor
Ulvaria obscura Usnea ceratina Utricularia ochroleuca
Umbellularia californica Usnea cirrosa Utricularia purpurea
Umbilicaria americana Usnea cornuta Utricularia radiata
Umbilicaria angulata Usnea dasopoga Utricularia resupinata
Umbilicaria cylindrica Usnea dimorpha Utricularia striata
Umbilicaria decussata Usnea diplotypus Utricularia subulata
Umbilicaria deusta Usnea endochrysea Utricularia vulgaris
Umbilicaria hyperborea Usnea flavocardia Uvularia grandiflora
Umbilicaria krascheninnikovii Usnea florida Uvularia perfoliata
Umbilicaria mammulata Usnea fragilescens Uvularia puberula
Umbilicaria muhlenbergii Usnea fulvoreagens Uvularia sessilifolia
Umbilicaria phaea Usnea glabrata