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Lavbulletinen 2-2017 ––––––––––––––––––––––––––– Nr 2 2017 Lavbulletinen Svensk Lichenologisk Förening

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Lavbulletinen 2-2017 ––––––––––––––––––––––––––– Nr 2 2017 Lavbulletinen Svensk Lichenologisk Förening –––––––––––––––––––––––––––– Lavbulletinen 2-2017 ––––––––––––––––––––––––––– Nr 2 2017 Lavbulletinen Svensk Lichenologisk Förening Vi firar 25-årsjubileum SLFs Närkeexkursion 2017 Fler fynd av huvudbägarlav Kustkaklav fertil Protoblastenia lilacina i Sverige 37 –––––––––––––––––––––––––––– Lavbulletinen 2-2017 –––––––––––––––––––––––––– –––––––––––––––––––––––––––– Lavbulletinen 2-2017 ––––––––––––––––––––––––––– Svensk Lichenologisk Förening SLF bildades hösten 1992 i syftet att samla och främja de lichenologiska intressena Jubileums-workshop 3-4 februari 2018 i Sverige. Föreningen samlas vid två tillfällen varje år, en gång på våren och en på hösten för exkursioner eller kurser. Medlem blir du genom att sätta in 120 kronor på pg 29 24 26-4, Svensk Lichenologisk Förening. Skriv ditt namn, adress och te- Välkommen in från vintermörkret till Evolutionsmuseet på lefonnummer samt eventuell e-postadress på talongen. Familjemedlemmar betalar Norbyvägen 16 i Uppsala för en lichenologisk workshop. 20 kronor. Avgiften gäller för ett år. SLF har en hemsida som du hittar på adressen: http://www.sbf.c.se/slf/ SLF fyllde 25 år under hösten och det vill vi fira med att träffas och titta på lavar förstås. Styrelse Ordförande: Martin Westberg Vice ordförande: Mikael Hagström Tid: lördag–söndag 3–4 februari Evolutionsmuseet Gallstrandsvägen 4, 585 99 Linköping Norbyvägen 16 tfn 076-84 58 206 Lördag: Vi börjar klockan 10 på morgonen med ett par fö- 752 36 Uppsala e-post: [email protected] e-post: [email protected] redrag om nyheter för den svenska lavfloran. Under resten Kassör: Per Larsson av dagen sitter vi vid mikroskopen och tittar på intressant Sekreterare: Måns Svensson Nybble, Parstugan, 643 98 Julita Tarby, 186 95 Vallentuna tfn 076-724 8663 material av t.ex. nybeskrivna arter. tfn 08-512 325 00 e-post: [email protected] e-post: [email protected] Ta med eget material! Inte bara sådant som du undrar över och vill ha bestämningshjälp med utan gärna också intres- Lavbulletinen santa fynd som du gjort under året som du vill visa upp. Lavbulletinen är SLF:s medlemshäfte och skickas ut 2 gånger per år. Vi sammanfattar På kvällen går vi ut på en väl vald restaurang och äter mid- föreningens aktiviteter och publicerar artlistor och redogörelser från exkursionerna. dag. Vi tar tacksamt emot enkla manuskript om lichenologiska nyheter i Sverige t.ex. inventeringsrapporter eller populariserade sammanfattningar av forskningsresultat som examensarbeten, doktorsavhandlingar och forskningsrapporter. Vi vill också Söndag: Vi börjar ca kl 9 med ytterligare en eller ett par fö- rapportera intressanta artfynd och uppmärksamma sällsynta eller dåligt kända lavar. redrag och håller sedan på vid mikroskopen till någon gång Redaktörer: Ulf Arup, Sösdala 2072, 280 10 Sösdala, tfn 070-294 6944 efter lunch. epost: [email protected] Martin Westberg, tfn 0730-220 814 Anmälan senast 25 januari till Martin Westberg e-post: [email protected] Lars Fröberg, Botaniska museet, Box 117, 221 00 Lund Epost: [email protected] 076-8489945, epost: [email protected] Telefon: 0730-220814 Omslagsbild: Liten kraterlav Gyalecta subclausa i Glanshammar. Foto U. Arup 42 43 –––––––––––––––––––––––––––– Lavbulletinen 2-2017 –––––––––––––––––––––––––– –––––––––––––––––––––––––––– Lavbulletinen 2-2017 ––––––––––––––––––––––––––– monografin överXanthoparmelia (Hale Taxonomi Om fertilitet och utbredning hos 1990: 214) sägs att arten sällan är fertil Xanthoparmelia Vain. var ursprung- Xanthoparmelia tinctina, kustkaklav (”Apothecia rarely developed, substipi- ligen ett undersläkte inom Parmelia tate, 2–10 mm in diameter, spores 5 x Ach. Hale (1974) lyfte Xanthopar- Lars Arvidsson, Rosensköldsgatan 5, 412 58 Göteborg. Epost: lars.arv@hot- 9–10 µm”). Att arten skulle vara steril melia till släktnivå. I sin monografi mail.com i Sverige är således inte korrekt vilket behandlar Hale (1990) 420 arter i Ulf Larsson, Lotsgatan 5a, 414 58 Göteborg. Epost: [email protected] framgår ovan. Till yttermera visso har släktet, mestadels gulgröna bladlavar. Arne Thell, Biologiska museet, Box 117, 221 00 Lund. Epost: arne.thell@biol. vi under åren funnit arten fertil såväl Så småningom synonymiserades nio lu.se i herbariet som på åtskilliga platser släkten med Xanthoparmelia, varav längs västkusten, och det kan vara av endast ett, Neofuscelia Essl., fanns rep- intresse att redovisa dessa iakttagelser resenterat i den nordiska floran (Blanco litet närmare. m.fl. 2004). Det visade sig dessutom i DNA-analyser att Xanthoparmelia inte är särskilt nära släkt med Parmelia som Fertila kollekter i herbarierna i släktena är avgränsade idag. Det före Kustkaklav Xanthoparmelia tinctina förekommer på västkusten Göteborg (GB) och Lund (LD) detta undersläktet Xanthoparmelia är i Sverige. I denna artikel kartläggs arten med hjälp av litteratur Bohuslän: Sotenäs k:n, Askum s:n, 8 kollekter, 2001-2007, leg. Sven Bergqvist numera världens största bladlavsläkte och samlingar. Morfologi, kemi och DNA har undersökts på med 820 arter (Thell m.fl. 2012). Släk- ett nyinsamlat exemplar med apothecier från Åsa i Ölmevalla (GB); Kungshamns s:n, 10 kollekter, 1999– 2006, leg. Sven Bergqvist (GB); Smögen tets variationscentrum ligger på södra socken i Halland. Ytterligare ett antal fertila herbariebelägg från s:n, 5 kollekter, 2000–2004, leg. Sven hemisfären, främst i södra Afrika och Halland och Bohuslän anges, vilket är anmärkningsvärt då arten Bergqvist (GB); Tossene s:n, ö-sidan av Oceanien. I Sverige förekommer endast bara rapporterats fertil en gång tidigare. Näsebergets nordspets, S om Hjälmsängs- nio arter som oftast är lätta att känna bukten, 31. V. 2007, leg. Sven Bergqvist igen i fält. Förutom X. tinctina finns (GB). Tjörns k:n, Stenkyrka s:n, Djupvik, den välkända X. conspersa över hela 14.VII. 1941, leg. Adolf Hugo Magnusson landet. I södra Sverige förekommer X. (Magnusson: Lichenes selecti scandinavici mougeotii (Schaer. ex D.Dietr.) Hale, exsiccati n:o 359) (GB, LD). Kungälvs k:n, medan X. stenophylla (Ach.) Ahti & Xanthoparmelia tinctina (Maheu et perioden 1916–1941. I presentationen Lycke s:n, Älgön, nära Kalvhagen, 20. III. D.Hawksw. är mer vittspridd. Xantho- Gillet) Hale, kustkaklav, är en tämligen av sina fynd anger han att populationen 1971, leg. Lars Arvidsson (GB). Öckerö parmelia angustiphylla (Gyeln.) Hale vanlig lav på havsstrandklippor längs från Västergötland, V. Frölunda 1917 k:n, Öckerö s:n, Hönö, 18. IV. 1958, leg. är endast känd från Öland (Elix & Thell Sveriges västkust. Arten står nära kak- är fertil, men att övriga förekomster Yngve Eliasson (GB); Öckerö s:n, Öck- 2011). Fyra arter som tidigare ingick lav X. conspersa (L.) Hale, men känne- är sterila. erö, norra sidan, 3. VII. 1955, leg. Gunnar i Neofuscelia har sin huvudsakliga tecknas av klotrunda isidier (ej stiftlika I den nordiska floran (Elix & Thell Degelius (GB); Ödsmål s:n, Videsgärde, utbredning i södra Sverige, X. delisei på klippor nära kusten, 16. VI. 1930, Adolf som hos släktingen) och en specifik 2011: 137) står att läsa: ”Apothecia not (Duby) O. Blanco m.fl., X. loxodes Hugo Magnusson (LD). Västergötland: lavsyra (salazinsyra som ger K+ röd observed in Nordic material”. På det (Nyl.) O.Blanco m.fl., X. pulla (Ach.) reaktion i märgen). X. conspersa inne- hela taget är det ganska få uppgifter Göteborgs k:n, Askim s:n, Stora Amundön, sydsidan vid Kungsviken, 1. XI. 1974, leg. O.Blanco m.fl. & X. verruculifera håller stictinsyra och blir K+ gul. Kust- i litteraturen om fruktkroppars före- Lars Arvidsson (GB); Styrsö s:n, Vrångö, (Nyl.) O.Blanco m.fl. Släktet är mycket kaklaven beskrevs så sent som 1925 komst och utseende hos denna lav. Det på västsidan, 3. VI. 1945, leg. Vilhelm mångformigt och hålls ihop endast av från Marocko och rapporterades som finns till exempel inget om saken i den Gillner (GB). Halland: Kungsbacka k:n, mikroskopiska karaktärer och kemi, ny för Sverige av Magnusson 1942. engelska floran (Smith m.fl. 2009) eller Släp s:n, Särö Västerskog, 18. IV. 1982, främst spormorfologi och förekomst av Han kände då arten från fyra lokaler i motsvarande norska och tyska floror leg. Marie Lindström (GB); Ölmevalla s:n, en speciell sorts lichenan i cellväggen Göteborgstrakten (Västergötland och (Krog m.fl. 1994: 310, Poelt & Vězda Åsa, Vassbäcksområdet, 22. IV. 2015, leg. (Blanco m.fl. 2004, del Prado m.fl. Bohuslän), iakttagelser gjorda under 1981: 221, Wirth m.fl. 2013: 1188). I Ulf Larsson (GB) (Figurer 1–2). 2007). 44 45 –––––––––––––––––––––––––––– Lavbulletinen 2-2017 –––––––––––––––––––––––––– –––––––––––––––––––––––––––– Lavbulletinen 2-2017 ––––––––––––––––––––––––––– Grötlingboudd, 650 m SSV om Hal- linge, insamlat så sent som 2014 av Odelvik m.fl., lånades in från Riksmu- seet (S-F260339). Det ombestämdes till X. conspersa efter att dess kemi undersökts med tunnskiktskromato- grafi, TLC, enligt Orange m.fl. (2001). Bålen innehöll constictinsyra, stic- tinsyra, norstictinsyra och usninsyra, vilket överensstämmer med kemin hos X. conspersa, medan X. tinctina innehåller salazinsyra, consalazinsyra, norstictinsyra och usninsyra (Elix & Thell 2011). Den bleka undersidan hos den gotländska kollekten är visserli- . Samma exemplar som i figur 1 Fig. 1. Fertilt exemplar av Xanthoparmelia tinctina från Halland, Ölmevalla s:n, Åsa, gen något otypiskt för X. conspersa Fig. 2 Vassbäcksområdet. Foto: Nataliya Thell. men ryms inom artens morfologiska i förstoring. Det största apotheciet är 4 variation. Vi ställer oss tveksamma till mm i diameter. Foto: U. Larsson Ekologi
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