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 pre- liminary survey from Thailand was pub- lished 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 collec- tions of foliicolous lichens made by the first author from 1999 to 2001 in Khao Yai National Park. Most specimens were col- lected 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 infor- mation for the conservation and sustain- able 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 km 2 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 circumduc- tis differt. K. Papong: Department of Biology, Faculty of Science, Khamreung Campus, Mahasarakham University, Kantarawichai, Maha Sarakham Province, 44150 Thailand. Email: [email protected]K. Boonpragob: Department of Biology, Faculty of Science, Ramkhamhaeng University, Humak, Bang- kabi, Bangkok, 10240 Thailand. R. Lücking: Department of Botany, The Field Mu- seum, 1400 South Lake Shore Drive, Chicago, Illinois 60605-2496, USA.
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The Lichenologist 39(1): 47–56 (2007) � 2007 British Lichen Societydoi: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 disciformesp. 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 byElias Fries in 1823, but it was Santesson(1952) who provided the first thoroughmonograph of this group, which today stillprovides a useful guide to the taxonomy offoliicolous lichens. Most of the more recentstudies on foliicolous lichens have beenundertaken in the Neotropics (Lücking,2007), while fewer data are available fromtropical Africa and SE Asia. The first pre-liminary survey from Thailand was pub-lished by Boonpragob et al. (1998) wholisted 34 foliicolous lichen species from a fewsites in Khao Yai National Park.
This study is based on numerous collec-tions of foliicolous lichens made by the firstauthor from 1999 to 2001 in Khao YaiNational Park. Most specimens were col-lected from understorey leaves where highhumidity and low light intensity prevail. Thestudy expands on the known taxonomy,diversity and distribution of foliicolouslichens in Thailand. It also provides infor-
mation for the conservation and sustain-able utilization of biodiversity resources inThailand.
MethodsKhao Yai National Park is situated between 14(11# and14(25#N latitude and between 101(22# and 101(27#Elongitude, with an elevation ranging from 750 to1351 m above sea level. The park covers 2·168 km2 infour provinces (Saraburi, Nakhon Ratchasima, NakhonNayok and Prachinburi), and is located near Bangkok.
Foliicolous lichens were collected by the firstauthor in 1999 and 2000 from five forest types: tropicalrainforest, lower montane forest, dry evergreen forest,mixed deciduous forest, and secondary forest. All thespecimens are deposited at RAMK.
Morphological characters of thallus and reproductivestructures, colour, size, and shapes were determinedusing a low magnification stereomicroscope (Olympus,SZ) at magnifications of �14 to �80.
Hand-cut sections were prepared for studies of theanatomy of thalli and reproductive structures, includingperithecia, apothecia, campylidia and pycnidia andexamined with a light microscope (Olympus, CH) atmagnifications of �40 to �1000. Iodine (I) was usedfor the colour reactions of ascus walls (Lugol’s solution,iodine 0·25%). Calcium oxalate crystals were alsoobserved under the light microscope. All anatomicalmeasurements were made under the light microscope.Photographs were taken under the light microscope(Nikon, Optiphot) with a Nikon (FDX-35) camera.
A Coenogonio isidiifero isidiis velut circino circumduc-tis differt.
K. Papong: Department of Biology, Faculty of Science,Khamreung Campus, Mahasarakham University,Kantarawichai, Maha Sarakham Province, 44150Thailand. Email: [email protected]. Boonpragob: Department of Biology, Faculty ofScience, Ramkhamhaeng University, Humak, Bang-kabi, Bangkok, 10240 Thailand.R. Lücking: Department of Botany, The Field Mu-seum, 1400 South Lake Shore Drive, Chicago, Illinois60605-2496, USA.
Typus: Thailand, Nakhon Ratchasima Province,Pakchong District, trail of ‘‘Heo Su Wat’’ waterfall to‘‘Khao Laem’’ substation (Kho Yo 19), forest of ‘‘NongPrue’’, 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, pro-ducing numerous disc-shaped, shortlystalked isidia 0·1–0·2 mm diam., which leavevery regular round holes in the thallusafter detachment; photobiont a species ofTrentepohlia.
Ascomata not observed.
Distribution. Thailand (type locality).
Notes. This new species is closely relatedto the Neotropical Coenogonium isidiiferum(Lücking) Lücking. Both species producedisc-shaped isidia, a feature otherwise un-known in the genus, but in C. isidiiferum thethallus dissolves completely into somewhatirregular isidia which do not leave regularround holes on the surface as in C. disciforme.Coenogonium disciforme has an Eastern paleo-tropical distribution, and is also known fromQueensland in Australia (Lücking et al.,2001, as Coenogonium aff. isidiiferum).
F. 1. Coenogonium disciforme, thallus producing numerous disc-shaped and short stalked isidia (arrows) whichleave round holes after being detached. Scale=2 mm.
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Ratchasima Province: Mo Sing To reservoir, RU-19661C.
Arthonia lividula Vain.
Habitat: rainforest, dry evergreen.—Distribution:eastern paleotropical.—Material examined: NakhonRatchasima Province: Air Force camp, RU-13908D;Pong Khueang Bin, RU-13968B; Phra Tam Nak,RU-15369; Diao Dai, RU-20515F, RU-20522B.
Habitat: rainforest, dry evergreen.—Distribution:eastern paleotropical.—Material examined: NakhonRatchasima Province: Mo Sing To, RU-21091A; Heo SuWat, RU-19026; Mo Sing To reservoir, RU-19635,RU-19636A.
Habitat: mixed deciduous.—Distribution: amphipacific.—Material examined: Prachin Buri Province: Kaeng SalatDai waterfall, RU-16940B; Khao Sa Mo Pun, RU-17447; Dong Chang Phan, RU-16494C; Heo Su Watwaterfall, RU-19024B, RU-19030C; Khao Sam Yot,RU-19705C; RU-19740A. Prachin Buri Province:Kaeng Hin Phoeng, RU-17042; Bu Phram Nai, RU-17534A. 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; KhaoKhiao, RU-15710, RU-15712; Dong Chang Phan,
2007 Foliicolous lichens from Thailand—Papong et al. 49
RU-16510C; Pha Krachai waterfall, RU-17382; HeoSu Wat waterfall, RU-18975D; Mo Sing To reservoir,RU-19634. Prachin Buri Province: Bu Phram Nai, RU-17608, RU-17626.
Habitat: rainforest, dry evergreen, mixed deciduous.—Distribution: cosmopolitan.—Selected material examined:
50 THE LICHENOLOGIST Vol. 39
Nakhon Ratchasima Province: Pha Krachai waterfall,RU-17375. Prachin Buri Province: Lam Pra Ya Than,RU-17492C, RU-17494D; Bu Phram Nai, RU-17564B, RU-17564C. Saraburi Province: Heo Pla Kangwaterfall, 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, RU-19628, RU-19621B; Training centre of Khao Yai,RU-21117.
Habitat: montane, dry evergreen.—Distribution:amphipacific.—Material examined: Nakhon RatchasimaProvince: Diao Dai cliff, RU-15694; Khao Sam Yot,RU-19726A.
Porina atriceps (Vain.) Vain.
Habitat: rainforest, montane, dry evergreen, mixeddeciduous.—Distribution: pantropical.—Selected ma-terial examined: Nakhon Ratchasima Province: Mo Sing
2007 Foliicolous lichens from Thailand—Papong et al. 51
To, RU-14085C; Khao Khiao, RU-15329A, RU-15330E; Khao Sam Yot, RU-19711B, RU-19714B.Prachin Buri Province: Kaeng Salat Dai waterfall, RU-16958, RU-16940A; Khao Sa Mo Pun, RU-17396A;Kaeng Hin Phoeng, RU-16988, RU-17000A; BuPhram Nai, RU-17523, RU-17524. Nakhon NayokProvince: Nang Rong waterfall, RU-16972. SaraburiProvince: Heo Pla Kang waterfall, RU-20515A, RU-20515E.
19021A. Nakhon Nayok Province: Nang Rong waterfall,RU-16973. Prachin Buri Province: Kaeng Hin Phoeng,RU-16990 , RU-17008; Lam Pra Ya Than, RU-17471B; Bu Phram Nai, RU-17530; Khao Sa Mo Pun,RU-17384B, RU-17396B. Saraburi Province: ChetKhlot, RU-19266, RU-19255C; Heo Pla Kang water-fall, RU-20533C, RU-20544B.
Porina minutissima Henssen, Lücking& Vezda
Habitat: rainforest, montane, dry evergreen, mixeddeciduous.—Distribution: eastern Paleotropical.—Material examined: Nakhon Ratchasima Province: PhaKra Chai waterfall, RU-17070D; Pha Kluai Mai water-fall, RU-17700E; Khao Sam Yot, RU-19704B, RU-19717B. Nakhon Nayok Province: Nang Rong waterfall,RU-16968B. Prachin Buri Province: Kaeng Salat Daiwaterfall, RU-16943; Bu Phram Nai, RU-17562, RU-17547C. Saraburi Province: Heo Pla Kang waterfall,RU-20490B, RU-20512A.
Porina nitidula Müll. Arg.
Habitat: montane, dry evergreen, mixeddeciduous.—Distribution: pantropical.—Selected ma-terial examined: Nakhon Ratchasima Province: Diao Daicliff, RU-15692, RU-15724C; Khao Khiao, RU-16447B, RU-16448B; Khao Laem, RU-18971B; MoSing To reservoir, RU-19689C, RU-19673C. NakhonNayok Province: Nang Rong waterfall, RU-16971C;Huay Prue reservoir, RU-19282. Prachin Buri Province:Bu Phram Nai, RU-17594, RU-17547B. SaraburiProvince: Lam Ta Khong creek, RU-16443B; Heo PlaKang waterfall, RU-20482B, RU-20544C; Chet Khlotwaterfall, RU-19207B, RU-19207C.
Porina palmicola Malcolm & Vezda
Habitat: rainforest, montane and dry evergreen.—Distribution: New Zealand.—Material examined: NakhonRatchasima Province: Pong Khueang Bin, RU-13968A;Nong Phak Chi, RU-15703C; Khao Sam Yot, RU-19704A, RU-19727A.
Porina perminuta Vain.
Habitat: rainforest, montane and dry evergreen.—Distribution: paleotropical.—Material examined: NakhonRatchasima Province: Pha Kra Chai waterfall, RU-17099A; Khao Khiao, RU-18367B, RU-18404B; HeoSu Wat waterfall, RU-19012E, RU-19035D; Mo SingTo reservoir, RU-16969B; Khao Sam Yot, RU-19210A, RU-19245C.
Porina rubentior (Stirt.) Müll. Arg.
Habitat: rainforest and dry evergreen.—Distribution:pantropical.—Material examined: Nakhon Ratchasima
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Province: Mo Sing To, RU-19618A. Prachin BuriProvince: Bu Phram Nai, RU-17529.
Porina sphaerocephala Vain.
Habitat: rainforest, montane, dry evergreen, mixeddeciduous 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. SaraburiProvince: Heo Pla Kang waterfall, RU-20496B, RU-20535C; Chet Khlot waterfall, RU-19255D.
Porina subnucula Lumbsch, Lücking &Vezda
Habitat: dry evergreen.—Distribution: easternPaleotropics.—Material examined: Nakhon RatchasimaProvince: Heo Su Wat waterfall, RU-19020E, RU-19040D; Khao Sam Yot, RU-19713D.
Porina subrubrosphaera Kurok.
Habitat: rainforest and montane.—Distribution:tropical Asia (Japan).—Material examined: NakhonRatchasima Province: Khao Khiao, RU-18334B.
Habitat: dry evergreen and mixed deciduous.—Distribution: paleotropical.—Material examined: NakhonNayok Province: Nang Rong waterfall, RU-16968A.Saraburi Province: Heo Pla Kang waterfall, RU-20527C.
Sporopodium argillaceum (Müll. Arg.)Zahlbr.
Habitat: rainforest, montane, dry evergreen andsecondary.—Distribution: eastern paleotropics.—Selected material examined: Nakhon Ratchasima Province:old golf course area, RU-14026A; Mo Sing To, RU-19718, RU-19719A; Khao Khiao, RU-19073, RU-18381A; Nong Phak Chi, RU-15703A, RU-18317;Dong Chang Phan, RU-16492A, RU-16496A; Heo SuWat waterfall, RU-19007B, RU-19018A; Mo Sing Toreservoir, RU-19622, RU-19642; Khao Sam Yot, RU-19711A. Saraburi Province: Chet Khlot waterfall, RU-19255A; Heo Pla Kang waterfall, RU-20516A, RU-20532A.
Habitat: rainforest and dry evergreen.—Distribution:pantropical.—Material examined: Nakhon RatchasimaProvince: Heo Su Wat waterfall, RU-19009E; Mo SingTo reservoir, RU-19625C.
Strigula subtilissima (Fée) Müll. Arg.
Habitat: montane and mixed deciduous.—Distribution: pantropical.—Material examined: NakhonRatchasima Province: Khao Khiao, RU-14070. PrachinBuri Province: Lam Pra Ya Than, RU-17494A.
Habitat: dry evergreen.—Distribution: pantropical.—Material examined: Prachin Buri Province, Wan Lueang,RU-19109B.
Trichothelium javanicum (F. Schill.)Vezda
Habitat: dry evergreen.—Distribution: easternPaleotropics.—Material examined: Nakhon RatchasimaProvince: Heo Su Wat waterfall, RU-19020H.
Ecogeography
This study on the taxonomy and distributionof foliicolous lichens at Khao Yai NationalPark, Thailand, describes one new speciesand lists 71 new records for Thailand. Mostspecies have a pantropical distribution(57%) with a further 26% with a paleotropi-cal distribution. The smallest distributiongroups are amphipacific (6%) and cosmo-politan (6%), tropical Asia (4%) and Europe(1%). The European element is Porina
T 1. Number of species of foliicolous lichens in eachforest type at Khao Yai National Park
hoehneliana, a species previously known onlyfrom Europe and Nepal (Vezda & Poelt1988), but the Asian material is a goodmatch to the type material.
The numbers of foliicolous lichensrecorded from each of the different foresttypes at Khao Yai National Park are listed inTable 1. Most species (51) occurred in thedry 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 differ-ences in diversity of foliicolous lichens in thedifferent forest types could be used as abioindicator of forest type.
The present study increases the number ofspecies of foliicolous lichens known fromThailand to 106. The comparable totalsfrom elsewhere in tropical Asia are listed inTable 2.
We thank a number of colleagues in the LichenResearch Unit for their assistance with fieldwork andin the laboratory. The first author is grateful to theDepartment of Biology, Faculty of Science, Ramkham-haeng University, for laboratory facilities and to KhaoYai National Park for allowing fieldwork and thecollection of specimens.
R
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