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NEW RECORDS OF ERIGERON (ASTERACEAE: ASTEREAE) FOR NEVADA PDF

2004·0.38 MB·English
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Preview NEW RECORDS OF ERIGERON (ASTERACEAE: ASTEREAE) FOR NEVADA

, NEWRECORDSOFERIGERON(ASTERACEAE:ASTEREAE) FORNEVADA GuyL.Nesom BotanicalResearchInstituteofTexas 509PecanStreet FortWorth,Texas76102-4060,U.S.A. StudyofspecimensfromNSMCreveafsthepresenceinNevadaol Erigeron nanusNutt.,previouslyunlcnowninthestate(Nesom1992). NEVADA.ElkoCo.:K-liddleStackMountain,NendoTilieGraniteRange,6airlinemiNHolContact, T4.5N,I^65E,withArtemisiaonsteepgravelslopesolc|uari2iterock,7900ft.10Jun1987,I'lchm 11224(NSMC).OriginallyidentifiedasEngeronpumihis. Thisisthewesternmostlocalii:yforE.nanus,w^hichpreviouslyhasbeenknown fromthesouthwesterncornerofWyoming,northernUtah(DaggettandBox Eldercos.),andsoutheasternIdaho. ThetypicalvarietyolErigeroneatoniiA,GraywaspreviouslyrecordedfromNevadabyasingle collection(ClarkCo.:VirginMts.,neartheUtahborderTielim11256.NSMC)(Nesom1992).Addi- tionalcollectionsverilyitsexistenceinthestateandbroadentherange. NEVADA.ClarkCo.:VirginMountains,VABMVirgin,ZllE7bll00N4056310,commonthroughout thepeakarea,withQuercusgambelii,Cercocarpusledijohus.ArtemisuiIndentata,Amclartchier ulahensis,Arctostaphylospungens,7380It,Hollandar\dEeary4733(NSMC).LincolnCo.:WilsonCreek Range,MountWilsonsummitarea,Douglasfirandaspen,9250ft,17Jul1995,EinzlU.632(BRIT, NSMC), Nevadalocalitiesareatthesouthwesternextremityofthedistributionoivar eatonii(seemap,Fig.2,StrotherandFerfatte1988),whichrangestoColorado, Wyoming,southeasternMontana,andsoutheasternIdaho.Erigeroneatoniivar sonnei (Greene) Nesom occurs m the western part of Nevadaand var. nevadincola(Blake)Nesomoccursinthenorthernhallofthestate. ACKNOWLEDGMENTS ThankstoAnnPinzlatNSMCforarrangingtheloanofspecimens. REFERENCES Nesom,G.L 1992.ErigeronandTrimorpha(Asteraceae:Astereae)in Nevada.Phytologia 73:203-219. SiRoiHER,J,L,andW.J,Ffrlaite.1988,Reviewoffngeroneaton/Vandalliedtaxa(Compositae: Astereae),Madrono35:77-91 SIDA21(1):473.2004

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