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The Lichenologist 39(1): 47–56 (2007)  2007 British Lichen Society doi:10.1017/S0024282906006104 Printed in the United Kingdom New species and new records of foliicolous lichens from Thailand Khwanruan PAPONG, Kansri BOONPRAGOB and Robert LU } CKING Abstract: One new species and 71 new records are reported from Thailand. Coenogonium disciforme sp. nov. is distinguished by its disc-shaped, shortly stipitate isidia, which leave perfectly circular holes, almost like punched holes, when detached. Key words: foliicolous lichens, new records, new species, Thailand Introduction Foliicolous lichens were first mentioned by Elias Fries in 1823, but it was Santesson (1952) who provided the first thorough monograph of this group, which today still provides a useful guide to the taxonomy of foliicolous lichens. Most of the more recent studies on foliicolous lichens have been undertaken in the Neotropics (Lücking, 2007), while fewer data are available from tropical Africa and SE Asia. The first preliminary survey from Thailand was published by Boonpragob et al. (1998) who listed 34 foliicolous lichen species from a few sites in Khao Yai National Park. This study is based on numerous collections of foliicolous lichens made by the first author from 1999 to 2001 in Khao Yai National Park. Most specimens were collected from understorey leaves where high humidity and low light intensity prevail. The study expands on the known taxonomy, diversity and distribution of foliicolous lichens in Thailand. It also provides inforK. Papong: Department of Biology, Faculty of Science, Khamreung Campus, Mahasarakham University, Kantarawichai, Maha Sarakham Province, 44150 Thailand. Email: khwanreun@hotmail.com K. Boonpragob: Department of Biology, Faculty of Science, Ramkhamhaeng University, Humak, Bangkabi, Bangkok, 10240 Thailand. R. Lücking: Department of Botany, The Field Museum, 1400 South Lake Shore Drive, Chicago, Illinois 60605-2496, USA. mation for the conservation and sustainable utilization of biodiversity resources in Thailand. Methods Khao Yai National Park is situated between 14(11# and 14(25#N latitude and between 101(22# and 101(27#E longitude, with an elevation ranging from 750 to 1351 m above sea level. The park covers 2·168 km2 in four provinces (Saraburi, Nakhon Ratchasima, Nakhon Nayok and Prachinburi), and is located near Bangkok. Foliicolous lichens were collected by the first author in 1999 and 2000 from five forest types: tropical rainforest, lower montane forest, dry evergreen forest, mixed deciduous forest, and secondary forest. All the specimens are deposited at RAMK. Morphological characters of thallus and reproductive structures, colour, size, and shapes were determined using a low magnification stereomicroscope (Olympus, SZ) at magnifications of 14 to 80. Hand-cut sections were prepared for studies of the anatomy of thalli and reproductive structures, including perithecia, apothecia, campylidia and pycnidia and examined with a light microscope (Olympus, CH) at magnifications of 40 to 1000. Iodine (I) was used for the colour reactions of ascus walls (Lugol’s solution, iodine 0·25%). Calcium oxalate crystals were also observed under the light microscope. All anatomical measurements were made under the light microscope. Photographs were taken under the light microscope (Nikon, Optiphot) with a Nikon (FDX-35) camera. The New Species Coenogonium disciforme Papong, Boonbragob & Lücking sp. nov. A Coenogonio isidiifero isidiis velut circino circumductis differt. 48 THE LICHENOLOGIST Vol. 39 F. 1. Coenogonium disciforme, thallus producing numerous disc-shaped and short stalked isidia (arrows) which leave round holes after being detached. Scale=2 mm. Typus: Thailand, Nakhon Ratchasima Province, Pakchong District, trail of ‘‘Heo Su Wat’’ waterfall to ‘‘Khao Laem’’ substation (Kho Yo 19), forest of ‘‘Nong Prue’’, 14(26#N, 101(33#E, on unidentified leaf, alt. 750 m, 16 August 2000, K. Papong RU-19006B (RAMK—holotypus). (Fig. 1) Thallus epiphyllous, crustose, smooth, lacinate, greyish green, 15–20 m thick, producing numerous disc-shaped, shortly stalked isidia 0·1–0·2 mm diam., which leave very regular round holes in the thallus after detachment; photobiont a species of Trentepohlia. Ascomata not observed. Distribution. Thailand (type locality). Notes. This new species is closely related to the Neotropical Coenogonium isidiiferum (Lücking) Lücking. Both species produce disc-shaped isidia, a feature otherwise unknown in the genus, but in C. isidiiferum the thallus dissolves completely into somewhat irregular isidia which do not leave regular round holes on the surface as in C. disciforme. Coenogonium disciforme has an Eastern paleotropical distribution, and is also known from Queensland in Australia (Lücking et al., 2001, as Coenogonium aff. isidiiferum). New records of foliicolous lichens from Thailand Arthonia cyanea Müll. Arg. var. cyanea Habitat: rainforest, montane, dry evergreen.— Distribution: pantropical.—Material examined: Nakhon 2007 Foliicolous lichens from Thailand—Papong et al. Ratchasima Province: Mo Sing To reservoir, RU19661C. Arthonia lividula Vain. Habitat: rainforest, dry evergreen.—Distribution: eastern paleotropical.—Material examined: Nakhon Ratchasima Province: Air Force camp, RU-13908D; Pong Khueang Bin, RU-13968B; Phra Tam Nak, RU-15369; Diao Dai, RU-20515F, RU-20522B. Arthonia ramosii (Räsänen) R. Sant. Habitat: dry evergreen, mixed deciduous.— Distribution: eastern paleotropical.—Material examined: Nakhon Ratchasima Province: Khang Khao, RU14118B; Khao Khiao, RU-19080L; Pha Kra Chai, RU-17078D. Saraburi Province: Heo Pla Kang, RU20490B. Arthonia trilocularis Müll. Arg. Habitat: rainforest, montane, mixed deciduous.— Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-19074C; Diao Dai cliff, RU-15735. Nakhon Nayok Province: Nang Rong waterfall, RU-19675B. Prachin Buri Province: Bu Phram Nai, RU-17636B. Aulaxina microphana (Vain.) R. Sant. Habitat: rainforest.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-19080B. Bacidia micrommata (Kremp.) R. Sant. Habitat: rainforest, montane, dry evergreen.— Distribution: paleotropical.—Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-18327, RU18325B; Dong Chang Phan, RU-16510A, RU16513B; Khao Laem, RU-18975B; Khao Sam Yot, RU-19705B. Saraburi Province: Heo Pla Kang waterfall, RU-20535A. Bacidina pallidocarnea (Müll. Arg.) Vězda Habitat: rainforest, dry evergreen.—Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Khao Sam Yot, RU-19703A. Saraburi Province: Heo Pla Kang waterfall, RU-20562D, RU20565D. Bulbothrix ventricosa (Hale & Korok.) Hale Habitat: montane, dry evergreen.—Distribution: cosmopolitan.—Selected material examined: Nakhon 49 Ratchasima Province: Phra Tam Nak, RU-15365A, RU15366A; TV lodge, RU-19056, RU-19057; Kong Kaeo waterfall, RU-15695, RU-15696; Nong Phak Chi, RU15698, RU-15700; Khao Khiao, RU-15708; Mo Sing To reservoir, RU-19656, RU-19682. Byssolecania hymenocarpa (Vain.) Lücking & Kalb Habitat: montane, dry evergreen.—Distribution: pantropical. Selected material examined: Nakhon Ratchasima Province: Khao Rom, RU-14036; Khao Khiao, RU15350A, RU-15306A; Khao Laem, RU-18975C, RU19023C. Byssoloma annuum (Vain.) Thor, Lücking & Matsumoto Habitat: rainforest, dry evergreen.—Distribution: eastern paleotropical.—Material examined: Nakhon Ratchasima Province: Mo Sing To, RU-21091A; Heo Su Wat, RU-19026; Mo Sing To reservoir, RU-19635, RU-19636A. Byssoloma fadenii Vězda Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Mo Sing To, RU-20477D. Saraburi Province: Heo Pla Kang waterfall, RU-20552A. Byssoloma gahavisukanum Sérus. Habitat: montane.—Distribution: eastern paleotropical.— Material examined: Nakhon Ratchasima Province: Diao Dai cliff, RU-15691. Byssoloma guttiferae (Bat. & Peres) Lücking & Sérus. Habitat: mixed deciduous.—Distribution: amphipacific.— Material examined: Prachin Buri Province: Kaeng Salat Dai waterfall, RU-16940B; Khao Sa Mo Pun, RU17447; Dong Chang Phan, RU-16494C; Heo Su Wat waterfall, RU-19024B, RU-19030C; Khao Sam Yot, RU-19705C; RU-19740A. Prachin Buri Province: Kaeng Hin Phoeng, RU-17042; Bu Phram Nai, RU17534A. Saraburi Province: Heo Pla Kang waterfall, RU-20498, RU-20521A, RU-20526C. Byssoloma subdiscordans (Nyl.) P. James Habitat: rainforest, montane, mixed deciduous.— Distribution: cosmopolitan.—Selected material examined: Nakhon Ratchasima Province: TV lodge, RU-15270, RU-19054B; Kong Kaeo waterfall, RU-15763C; Khao Khiao, RU-15710, RU-15712; Dong Chang Phan, 50 THE LICHENOLOGIST RU-16510C; Pha Krachai waterfall, RU-17382; Heo Su Wat waterfall, RU-18975D; Mo Sing To reservoir, RU-19634. Prachin Buri Province: Bu Phram Nai, RU17608, RU-17626. Calenia depressa Müll. Arg. Habitat: mixed deciduous.—Distribution: pantropical.— Material examined: Prachin Buri Province: Bu Phram Nai, RU-17571B. Vol. 39 Selected material examined: Nakhon Ratchasima Province, Air Force camp, RU-13908C; old golf course area, RU-16409; Khao Rom, RU-14075B, RU14043C; Khao Khiao, RU-15317B, RU-15305A; Pha Krachai waterfall, RU-17084, RU-17070A; Pha Kluai Mai waterfall, RU-17700A; Khao Laem, RU-19027A; Mo Sing To reservoir, RU-19622B; Khao Sam Yot, RU-19723B. Saraburi Province: Heo Pla Kang waterfall, RU-20492E, RU-20494A. Calenia leptocarpa Vain. Coenogonium dilucidum (Kremp.) Kalb & Lücking Habitat: rainforest.—Distribution: eastern paleotropical.—Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19020K. Habitat: rainforest.—Distribution: pantropical.— Material examined: Prachin Buri Province: Bu Phram Nai, RU-17506, RU-17537. Calenia thelotremella Vain. Coenogonium flavicans (Vězda & Farkas) Kalb & Lücking Habitat: rainforest.—Distribution: amphipacific.— Material examined: Nakhon Ratchasima Province: Khao Sam Yot, RU-19723C. Calopadia puiggarii (Müll. Arg.) Vězda Habitat: rainforest, montane, dry evergreen, mixed deciduous.—Distribution: pantropical.—Selected material examined: Nakhon Ratchasima Province: Pong Khueang Bin, RU-13977A, RU-13980A; Diao Dai cliff, RU-15729A, RU-15734; Khao Laem, RU18968A, RU-19038B; Mo Sing To reservoir, RU-19620A. Prachin Buri Province: Bu Phram Nai, RU-17551A. Caprettia amazonensis Bat. & H. Maia Habitat: rainforest, montane, dry evergreen, mixed deciduous.—Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Mo Sing To, RU-21116, RU-21085; Khao Khiao, RU-15297I, RU19072C; Kong Kaeo waterfall, RU-21121; Pha Krachai waterfall, RU-17099B; Khao Laem, RU-19009F; Mo Sing To reservoir, RU-19656D, RU-19657B. Prachin Buri Province: Kaeng Hin Phoeng, RU-17000B; Bu Phram Nai, RU-17590. Chroodiscus australiensis Vězda & Lumbsch Habitat: rainforest, montane, dry evergreen.— Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Mo Sing To, RU-21093; Khao Khiao, RU-15333D, RU-18304B; Pha Krachai waterfall, RU-17058B; Khao Laem, RU-19009F. Habitat: rainforest.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Mo Sing To reservoir, RU-19624. Saraburi Province: Khlong Tham Tao waterfall, RU-19209A. Coenogonium interplexum Nyl. Habitat: dry evergreen, mixed deciduous.— Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Khao Luk Chang, RU-14123; Khao Laem, RU-19038. Dirinaria cf. picta (Sw.) Clements & Shear Habitat: dry evergreen, mixed deciduous.— Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Mo Sing To reservoir, RU19660B. Prachin Buri Province: Bu Phram Nai, RU17665. Saraburi Province: Heo Pla Kang waterfall, RU-20517A. Echinoplaca tetrapla (Zahlbr.) Lücking Habitat: dry evergreen.—Distribution: Australia and China.—Material examined: Nakhon Ratchasima Province: Khao Laem, RU-19036C. Enterographa angustissima (Vain.) R. Sant. Habitat: dry evergreen.—Distribution: amphipacific.— Material examined: Saraburi Province: Heo Pla Kang waterfall, RU-20793B. Chroodiscus parvisporus Kalb & Lücking Fellhanera bouteillei (Desm.) Vězda Habitat: rainforest, montane, secondary.—Distribution: eastern Habitat: rainforest, dry evergreen, mixed deciduous.— Distribution: cosmopolitan.—Selected material examined: dry evergreen, paleotropical.— 2007 Foliicolous lichens from Thailand—Papong et al. Nakhon Ratchasima Province: Pha Krachai waterfall, RU-17375. Prachin Buri Province: Lam Pra Ya Than, RU-17492C, RU-17494D; Bu Phram Nai, RU17564B, RU-17564C. Saraburi Province: Heo Pla Kang waterfall, RU-20481. Fellhanera mastothallina (Vain.) Lücking & Sérus. Habitat: rainforest, montane, dry evergreen, secondary.—Distribution: eastern paleotropical.— Selected material examined: Nakhon Ratchasima Province, Nong Khing, RU-13951B; Mo Sing To, RU-20477B; Khao Khiao, RU-15321F, RU-19067A; Khao Laem, RU-19024A, RU-19024C; Mo Sing To reservoir, RU19628, RU-19621B; Training centre of Khao Yai, RU-21117. Fellhanera rhapidophylli (Rehm) Vězda Habitat: mixed deciduous.—Distribution: pantropical.—Material examined: Prachin Buri Province: Bu Phram Nai, RU-17566A. Graphis cf. ceylanica Zahlbr. Habitat: rainforest.—Distribution: Asia tropical.— Material examined: Nakhon Ratchasima Province: TV lodge, RU-19054C. Gyalectidium novoguineense Sérus. Habitat: dry evergreen.—Distribution: eastern paleotropical.—Material examined: Nakhon Ratchasima Province: Mo Sing To reservoir, RU-19660G. Saraburi Province: Klang Dong, RU-20486E. Lasioloma phycophilum (Vain.) R. Sant. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Khao Laem, RU-19020A. Leptogium cyanescens (Rabenh.) Körb. 51 Mazosia paupercula (Müll. Arg.) R. Sant. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Saraburi Province: Heo Pla Kang waterfall, RU-20551. Mazosia phyllosema (Nyl.) Zahlbr. Habitat: rainforest, montane, dry evergreen, mixed deciduous.—Distribution: pantropical.—Selected material examined: Nakhon Ratchasima Province: Mo Sing To, RU-14085A, RU-20477A; Khao Khiao, RU15309C, RU-19080I; Khao Laem, RU-19020L, RU19027C; Khao Sam Yot, RU-19707B, RU-19739A. Prachin Buri Province: Bu Phram Nai, RU-17509. Saraburi Province: Heo Pla Kang waterfall, RU-20491, RU-20494C. Mazosia pseudobambusae Kalb & Vězda Habitat: montane, dry evergreen.—Distribution: amphipacific.—Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-19080J; Khao Laem, RU19026E. Mazosia rotula (Mont.) A. Massal. Habitat: rainforest, montane, dry evergreen.— Distribution: pantropical.—Material examined: Nakhon Ratchasima Province, Mo Sing To, RU-14080; Khao Khiao, RU-15309D; Khao Laem, RU-19031B, RU19032B; Khao Sam Yot, RU-19707A, RU-19710A. Opegrapha vegae R. Sant. Habitat: rainforest, montane, dry evergreen.— Distribution: amphipacific.—Selected material examined: Nakhon Ratchasima Province: Khao Khiao, RU15232A; Kong Kaeo waterfall, RU-15694; Pha Kra Chai waterfall, RU-17084A, RU-17061; Khao Sam Yot, RU-19725D. Saraburi Province: Heo Pla Kang waterfall, RU-20508, RU-20506A. Opegrapha velata (Müll. Arg.) R. Sant. Habitat: rainforest.—Distribution: cosmopolitan.— Material examined: Nakhon Ratchasima Province: Pha Kluai Mai waterfall, RU-21123. Habitat: montane, dry evergreen.—Distribution: amphipacific.—Material examined: Nakhon Ratchasima Province: Diao Dai cliff, RU-15694; Khao Sam Yot, RU-19726A. Mazosia dispersa (J. Hedrick) R. Sant. Porina atriceps (Vain.) Vain. Habitat: rainforest.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Khao Laem, RU-19012F. Habitat: rainforest, montane, dry evergreen, mixed deciduous.—Distribution: pantropical.—Selected material examined: Nakhon Ratchasima Province: Mo Sing 52 THE LICHENOLOGIST To, RU-14085C; Khao Khiao, RU-15329A, RU15330E; Khao Sam Yot, RU-19711B, RU-19714B. Prachin Buri Province: Kaeng Salat Dai waterfall, RU16958, RU-16940A; Khao Sa Mo Pun, RU-17396A; Kaeng Hin Phoeng, RU-16988, RU-17000A; Bu Phram Nai, RU-17523, RU-17524. Nakhon Nayok Province: Nang Rong waterfall, RU-16972. Saraburi Province: Heo Pla Kang waterfall, RU-20515A, RU20515E. Porina atrocoerulea Müll. Arg. Habitat: montane, dry evergreen.—Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-15337A. Prachin Buri Province: Bu Phram Nai, RU-18396C. Porina cupreola (Müll. Arg.) Schill. Habitat: rainforest.—Distribution: eastern paleotropical.—Material examined: Nakhon Ratchasima Province: Khao Sam Yot, RU-19703B. Porina fulvella Müll. Arg. Habitat: rainforest, montane, dry evergreen and mixed deciduous.—Distribution: pantropical.—Selected material examined: Nakhon Ratchasima Province: Khao Khiao, RU-19060B, RU-18334A, RU-18346A. Saraburi Province: Chet Khlot waterfall, RU-19245B; Heo Pla Kang waterfall, RU-20509F, RU-20545B. Porina hoehneliana (Jaap) R. Sant. Habitat: montane, dry evergreen, mixed deciduous.—Distribution: Europe and Nepal.—Selected material examined: Nakhon Ratchasima Province: Khao Khiao, RU-15337D, RU-19080A; Khao Laem, RU19026C. Saraburi Province: Heo Pla Kang waterfall, RU-20521D. Porina kamerunesis F. Schill. Habitat: rainforest.—Distribution: paleotropical.— Selected material examined: Nakhon Nayok Province: Nang Rong waterfall, RU-16975B. Saraburi Province: Heo Pla Kang waterfall, RU-20489B, RU-20501C. Porina karnatakensis Makhija, Adawdkar & Patwardhan. Habitat: rainforest, montane, dry evergreen, mixed deciduous, secondary.—Distribution: pantropical.— Selected material examined: Nakhon Ratchasima Province: Nong Khing, RU-13948A, RU-13949A; Pong Khueang Bin, RU-13975; Khao Khiao, RU-15337B, RU-15315A; Youth camp, RU-16475B; Pha Kluai Mai waterfall, RU-17700A; Khao Laem, RU-19012A, RU- Vol. 39 19021A. Nakhon Nayok Province: Nang Rong waterfall, RU-16973. Prachin Buri Province: Kaeng Hin Phoeng, RU-16990 , RU-17008; Lam Pra Ya Than, RU17471B; Bu Phram Nai, RU-17530; Khao Sa Mo Pun, RU-17384B, RU-17396B. Saraburi Province: Chet Khlot, RU-19266, RU-19255C; Heo Pla Kang waterfall, RU-20533C, RU-20544B. Porina minutissima Henssen, Lücking & Vězda Habitat: rainforest, montane, dry evergreen, mixed deciduous.—Distribution: eastern Paleotropical.— Material examined: Nakhon Ratchasima Province: Pha Kra Chai waterfall, RU-17070D; Pha Kluai Mai waterfall, RU-17700E; Khao Sam Yot, RU-19704B, RU19717B. Nakhon Nayok Province: Nang Rong waterfall, RU-16968B. Prachin Buri Province: Kaeng Salat Dai waterfall, RU-16943; Bu Phram Nai, RU-17562, RU17547C. Saraburi Province: Heo Pla Kang waterfall, RU-20490B, RU-20512A. Porina nitidula Müll. Arg. Habitat: montane, dry evergreen, mixed deciduous.—Distribution: pantropical.—Selected material examined: Nakhon Ratchasima Province: Diao Dai cliff, RU-15692, RU-15724C; Khao Khiao, RU16447B, RU-16448B; Khao Laem, RU-18971B; Mo Sing To reservoir, RU-19689C, RU-19673C. Nakhon Nayok Province: Nang Rong waterfall, RU-16971C; Huay Prue reservoir, RU-19282. Prachin Buri Province: Bu Phram Nai, RU-17594, RU-17547B. Saraburi Province: Lam Ta Khong creek, RU-16443B; Heo Pla Kang waterfall, RU-20482B, RU-20544C; Chet Khlot waterfall, RU-19207B, RU-19207C. Porina palmicola Malcolm & Vězda Habitat: rainforest, montane and dry evergreen.— Distribution: New Zealand.—Material examined: Nakhon Ratchasima Province: Pong Khueang Bin, RU-13968A; Nong Phak Chi, RU-15703C; Khao Sam Yot, RU19704A, RU-19727A. Porina perminuta Vain. Habitat: rainforest, montane and dry evergreen.— Distribution: paleotropical.—Material examined: Nakhon Ratchasima Province: Pha Kra Chai waterfall, RU17099A; Khao Khiao, RU-18367B, RU-18404B; Heo Su Wat waterfall, RU-19012E, RU-19035D; Mo Sing To reservoir, RU-16969B; Khao Sam Yot, RU19210A, RU-19245C. Porina rubentior (Stirt.) Müll. Arg. Habitat: rainforest and dry evergreen.—Distribution: pantropical.—Material examined: Nakhon Ratchasima 2007 Foliicolous lichens from Thailand—Papong et al. 53 Province: Mo Sing To, RU-19618A. Prachin Buri Province: Bu Phram Nai, RU-17529. Sporopodium phyllocharis (Mont.) A. Massal. Porina sphaerocephala Vain. Habitat: rainforest, montane, dry evergreen and mixed deciduous.—Distribution: pantropical.—Selected material examined: Prachin Buri Province: Tha Ra Wa San waterfall, RU-13959, RU-13960. Nakhon Ratchasima Province: Khao Khiao, RU-18307, RU18312; Pha Kra Chai waterfall, RU-17072; Heo Su Wat waterfall, RU-19019. Saraburi Province: Heo Pla Kang waterfall, RU-20486D. Habitat: rainforest, montane, dry evergreen, mixed deciduous and secondary.—Distribution: pantropical.— Selected material examined: Nakhon Ratchasima Province: Mo Sing To, RU-19691C; Khao Khiao, RU-15301E, RU-15351D; Khao Sam Yot, RU-19712A. Saraburi Province: Heo Pla Kang waterfall, RU-20496B, RU20535C; Chet Khlot waterfall, RU-19255D. Porina subnucula Lumbsch, Lücking & Vězda Habitat: dry evergreen.—Distribution: eastern Paleotropics.—Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19020E, RU19040D; Khao Sam Yot, RU-19713D. Porina subrubrosphaera Kurok. Strigula concreta (Fée) R. Sant. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Saraburi Province: Heo Pla Kang waterfall, RU-20793A. Strigula nitidula Mont. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19038E. Saraburi Province: Heo Pla Kang waterfall, RU-20788C, RU-20789B. Habitat: rainforest and montane.—Distribution: tropical Asia (Japan).—Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-18334B. Strigula obducta (Müll. Arg.) R. C. Harris Porina tetramera (Malme) R. Sant. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province, Heo Su Wat waterfall, RU-19020J, RU-19040G. Habitat: rainforest, montane, dry evergreen and mixed deciduous.—Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19038F; Khao Khiao, RU-19085C. Strigula phyllogena (Müll. Arg.) R. C. Harris Porina trichothelioides R. Sant. Habitat: rainforest and dry evergreen.—Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19009E; Mo Sing To reservoir, RU-19625C. Habitat: dry evergreen and mixed deciduous.— Distribution: paleotropical.—Material examined: Nakhon Nayok Province: Nang Rong waterfall, RU-16968A. Saraburi Province: Heo Pla Kang waterfall, RU20527C. Sporopodium argillaceum (Müll. Arg.) Zahlbr. Habitat: rainforest, montane, dry evergreen and secondary.—Distribution: eastern paleotropics.— Selected material examined: Nakhon Ratchasima Province: old golf course area, RU-14026A; Mo Sing To, RU19718, RU-19719A; Khao Khiao, RU-19073, RU18381A; Nong Phak Chi, RU-15703A, RU-18317; Dong Chang Phan, RU-16492A, RU-16496A; Heo Su Wat waterfall, RU-19007B, RU-19018A; Mo Sing To reservoir, RU-19622, RU-19642; Khao Sam Yot, RU19711A. Saraburi Province: Chet Khlot waterfall, RU19255A; Heo Pla Kang waterfall, RU-20516A, RU20532A. Strigula subtilissima (Fée) Müll. Arg. Habitat: montane and mixed deciduous.— Distribution: pantropical.—Material examined: Nakhon Ratchasima Province: Khao Khiao, RU-14070. Prachin Buri Province: Lam Pra Ya Than, RU-17494A. Tapellaria nigrata (Müll. Arg.) R. Sant. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Dong Tio lodge, RU-19616E. Tricharia demoulinii Sérus. Habitat: mixed deciduous.—Distribution: eastern Paleotropics.—Material examined: Prachin Buri Province: Bu Phram Nai, RU-17534B. 54 THE LICHENOLOGIST Vol. 39 T 1. Number of species of foliicolous lichens in each forest type at Khao Yai National Park Trichothelium bipindense F. Schill. Forest type Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Prachin Buri Province, Wan Lueang, RU-19109B. Number of species Rainforest Montane Dry evergreen Mixed deciduous Secondary 39 32 51 24 5 Trichothelium javanicum (F. Schill.) Vězda Habitat: dry evergreen.—Distribution: eastern Paleotropics.—Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19020H. Ecogeography Trichothelium ake-assii Becker & Lücking Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-19038G. Trichothelium alboatrum Vain. Habitat: dry evergreen.—Distribution: pantropical.— Material examined: Nakhon Ratchasima Province: Heo Su Wat waterfall, RU-18968D, RU-19037. This study on the taxonomy and distribution of foliicolous lichens at Khao Yai National Park, Thailand, describes one new species and lists 71 new records for Thailand. Most species have a pantropical distribution (57%) with a further 26% with a paleotropical distribution. The smallest distribution groups are amphipacific (6%) and cosmopolitan (6%), tropical Asia (4%) and Europe (1%). The European element is Porina T 2. Number of foliicolous lichen species in floras of tropical Asia Country China India Number of foliicolous species 63 90 Indonesia 120 Japan Malaysia 83 120 Nepal Papua New Guinea 8 191 Philippines 224 Sri Lanka Thailand Vietnam 53 106 70 References Hawksworth 1972; Santesson 1952; Aptroot et al. 2003 Santesson 1952; Singh 1961, 1969, 1970, 1973, 1978; Sethy & Patwardhan 1987; Awasthi & Singh 1973; Vězda 1994; Lücking & Sérusiaux 1996; Lücking & Vězda 1998 Santesson 1952; Vězda 1994; Lücking & Vězda 1998; Kalb et al. 2000; Lücking et al. 2001 Santesson 1952; Thor et al. 2000 Santesson 1952; Sammy 1980; Sipman 1993; Lücking 1994; Lücking & Vězda 1998; Sérusiaux 1997 Santesson 1952; Vězda & Poelt 1987 Santesson 1952; Vězda 1979; Vězda & Poelt 1991; Aptroot & Sipman 1991, 1993; Sérusiaux 1986, 1992, 1997; Vězda 1994; Aptroot et al. 1995; Lücking 1995; Lücking & Sérusiaux 1996; Lücking & Vězda 1998; Sérusiaux & Aptroot 1998; Kalb et al. 2000; Thor et al. 2000; Lücking et al. 2000, 2001 Santesson 1952; Aptroot & Sipman 1989; Vězda & Poelt 1991; Sérusiaux 1992; Lücking 1998; Lücking & Vězda 1998; Lücking 1999; Kalb et al. 2000; Thor et al. 2000; Lücking et al. 2001 Santesson 1952; Vězda, Brunnbauer & Breuss 1997 Boonpragob et al. 1998; present study. Santesson 1952; Vězda 1977, 1986; Vězda & Poelt 1991; Lücking & Vězda 1998; Thor et al. 2000 2007 Foliicolous lichens from Thailand—Papong et al. hoehneliana, a species previously known only from Europe and Nepal (Vězda & Poelt 1988), but the Asian material is a good match to the type material. The numbers of foliicolous lichens recorded from each of the different forest types at Khao Yai National Park are listed in Table 1. Most species (51) occurred in the dry evergreen forest and the lowest number (5) in the secondary forest. Only two species, Porina karnatakensis and P. sphaerocephala, were found in all forest types. The differences in diversity of foliicolous lichens in the different forest types could be used as a bioindicator of forest type. The present study increases the number of species of foliicolous lichens known from Thailand to 106. The comparable totals from elsewhere in tropical Asia are listed in Table 2. We thank a number of colleagues in the Lichen Research Unit for their assistance with fieldwork and in the laboratory. The first author is grateful to the Department of Biology, Faculty of Science, Ramkhamhaeng University, for laboratory facilities and to Khao Yai National Park for allowing fieldwork and the collection of specimens. R Aptroot, A. & Sipman, H. J. M. (1989) New records from the Philippines. Acta Bryolichenologica Asiatica 1(1,2): 31–41. Aptroot, A. & Sipman, H. J. M. (1991) New lichens and lichen records from New Guinea. Willdenowia 20: 221–256. Aptroot, A. & Sipman, H. J. M. (1993) Musaespora, a genus of Pyrenocarpous lichens with campylidia and other additions to the foliicolous lichens flora of New Guinea. Lichenologist 25: 121–135. Aptroot, A., Diederich, P., Sérusiaux, E. & Sipman, H. J. M. (1995) Lichens and lichenicolous fungi of Laing Island (Papua New Guinea) Bibliotheca Lichenologica 57: 19–48. Aptroot, A., Ferraro, L. I., Lai, M.-J., Sipman, H. J. 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