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Journal articles on the topic 'Norstictic acid'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Feuerstein, Shirley Cunha, André Aptroot, Rosa Mara Borges da Silveira, Robert Lücking, and Marcela Eugenia da Silva Cáceres. "An updated world key to the species of Acanthothecis s. lat. (Ascomycota: Graphidaceae), with ten new species from Brazil." Lichenologist 54, no. 2 (2022): 87–99. http://dx.doi.org/10.1017/s0024282922000019.

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AbstractAs part of a revision of the genus Acanthothecis s. lat. (Graphidaceae) in Brazil, an updated world key to the known species of the genus is presented. From Brazil, the following ten new species are described: A. latispora, with single-spored asci, large, muriform ascospores, and norstictic and stictic acids; A. megalospora, with single-spored asci, very large, transversely septate ascospores, and norstictic and protocetraric acids; A. multiseptata, with 8-spored asci, medium-sized and narrow, transversely multiseptate ascospores, and lacking secondary substances except terpenoids; A.

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2

LUTSAK, Tetiana, Fernando FERNÁNDEZ-MENDOZA, Olga NADYEINA, Ayhan ŞENKARDEŞLER, and Christian PRINTZEN. "Testing the correlation between norstictic acid content and species evolution in the Cetraria aculeata group in Europe." Lichenologist 49, no. 1 (2017): 39–56. http://dx.doi.org/10.1017/s0024282916000566.

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AbstractMost lichen-forming fungi are characterized by the production of secondary metabolites. Differences in metabolite patterns have frequently served to distinguish lichen taxa with subsequent controversies about the rank of chemical variants (chemotype, variety, subspecies or species). Using a model system, we investigate whether production of norstictic acid within a group of lichenized ascomycetes is correlated with phylogenetic patterns, population differentiation or single and multi-locus haplotypes. Our study is based on DNA sequences of three gene loci (ITS, GPD, mtLSU) together wit

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3

Jagadeesh Ram, TAM. "Additional new species in Roccellaceae s.l. from the Andaman and Nicobar Islands, India." Phytotaxa 246, no. 4 (2016): 281. http://dx.doi.org/10.11646/phytotaxa.246.4.3.

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In the floristic revision on the lichens of the Andaman and Nicobar Islands three more species in the family Roccellaceae are described as new to science: Chiodecton norsticticum sp. nov., Enterographa nicobarica sp. nov. and Gyrographa nigrofusca sp. nov. Chiodecton norsticticum has 7-septate small ascospores and norstictic acid. Enterographa nicobarica has simple to branched lirelliform ascomata in pseudostromata, 5–7-septate ascospores and lacking lichen substances. Gyrographa nigrofusca has simple to substellate lirelliform ascomata, 7-septate ascospores and lacking lichen substances Chiod

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4

NIU, Dong-ling, Li-song WANG, Ying-jun ZHANG, and Chong-ren YANG. "A chemotaxonomic study of Lethariella zahlbruckneri and L. smithii (lichenized Ascomycota: Parmeliaceae) from Hengduanshan Mountains." Lichenologist 39, no. 6 (2007): 549–53. http://dx.doi.org/10.1017/s0024282907007165.

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Abstract:A taxonomic investigation of Lethariella smithii and L. zahlbruckneri has established that they are conspecific. Three chemical races are recognized: race 1 containing norstictic acid, race 2 norstictic acid and placodiolic acid, and race 3 placodiolic acid as major medullary substances.

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5

Purvis, O. W., J. A. Elix, J. A. Broomheadj, and G. C. Jones. "The Occurrence of Copper—norstictic Acid in Lichens from Cupriferous Substrata." Lichenologist 19, no. 2 (1987): 193–203. http://dx.doi.org/10.1017/s0024282987000161.

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AbstractThe localization of norstictic acid and copper in green, copper-rich specimens of Acarospora smaragdula and Lecidea lactea from cupriferous substrata was studied by optical microscopy, scanning electron microscopy, and electron probe microanalysis. Infrared absorption spectroscopy of lichen material and a synthetic Cu-norstictic acid complex, and the other studies, provide evidence that complexing of copper by norstictic acid occurs within the cortex of these lichens and leads to their unusual surface coloration. Preliminary observations suggest that copper may also form a complex with

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6

FRISCH, Andreas, John A. ELIX, and Göran THOR. "Herpothallon biacidum, a new lichen species from tropical Australia." Lichenologist 42, no. 3 (2010): 285–89. http://dx.doi.org/10.1017/s0024282909990697.

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AbstractHerpothallon biacidum Frisch et al. is described from Queensland, tropical Australia. The new species is characterized by a thick byssoid thallus that is loosely attached to the substratum, globular to claviform to short cylindrical pseudoisidia, a brown to brownish black hypothallus, and by the presence of gyrophoric and norstictic acids. This is the first reported co-occurrence of gyrophoric and norstictic acids in the genus. The differences between H. biacidum and other species containing either norstictic acid or gyrophoric acid are discussed. Herpothallon biacidum is also compared

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7

Øvstedal, Dag Olav, and Carlos Ernesto Gonçalves Reynaud Schaefer. "A new lichen species from the Heritage Range, Ellsworth Mountains, Antarctica." Hoehnea 40, no. 2 (2013): 361–64. http://dx.doi.org/10.1590/s2236-89062013000200006.

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8

Garlick, Julie M., Steven M. Sturlis, Paul A. Bruno, et al. "Norstictic Acid Is a Selective Allosteric Transcriptional Regulator." Journal of the American Chemical Society 143, no. 25 (2021): 9297–302. http://dx.doi.org/10.1021/jacs.1c03258.

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9

BORGATO, LUCA, and DAMIEN ERTZ. "Cryptothecia aleurodes (Arthoniaceae), a misunderstood species." Phytotaxa 449, no. 1 (2020): 90–94. http://dx.doi.org/10.11646/phytotaxa.449.1.9.

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Cryptothecia aleurodes was considered to be a widespread, rare tropical lichen having white ascigerous areas and a crustose whitish-grey thallus containing norstictic acid. A revision of its type specimen from Guadeloupe and the study of recent specimens from Martinique proved that the species has been misunderstood. In this paper, Cryptothecia aleurodes is shown to have a K– and C+ red thallus containing notably gyrophoric acid as major secondary metabolite but lacking norstictic acid. A detailed description and illustrations are provided. The species is known with certainty only from the Car

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10

Benatti, Michel. "A review of the genus Bulbothrix Hale: the species with medullary norstictic or protocetraric acids." MycoKeys 2 (March 5, 2012): 1–28. https://doi.org/10.3897/mycokeys.2.2522.

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This study presents data of eight <i>Bulbothrix</i> (Parmeliaceae, Lichenized Fungi) species containing norstictic or protocetraric acid in the medulla. The current species delimitations were confirmed. New synonyms are proposed, new characteriscts are detailed and range extensions are added.

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11

Ahmadjian, V., and J. B. Jacobs. "Artificial Re-Establishment of Lichens IV. Comparison between Natural and Synthetic Thalli of Usnea Strigosa." Lichenologist 17, no. 2 (1985): 149–65. http://dx.doi.org/10.1017/s0024282985000202.

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AbstractSynthetic thalli of Usnea strigosa produced the same fibril morphology and secondary compounds as natural thalli. The outer cortex of synthetic lichens was covered with crystals of usnic acid and compounds related to norstictic acids. The common presence on the fibrils of lichen acids suggests that these compounds have a functional role in the symbiosis. During alcohol dehydration, crystals of usnic acid dissolved and left impressions in the mucilage around the symbionts. The impressions were valuable indicators of the position of crystals in the lichen thallus. Crystal impressions of

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12

NADYEINA, Olga, Tetiana LUTSAK, Oleg BLUM, Volodymyr GRAKHOV, and Christoph SCHEIDEGGER. "Cetraria steppae Savicz is conspecific with Cetraria aculeata (Schreb.) Fr. according to morphology, secondary chemistry and ecology." Lichenologist 45, no. 6 (2013): 841–56. http://dx.doi.org/10.1017/s002428291300056x.

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AbstractEurasian Cetraria steppae and the more widely distributed C. aculeata are two lichen species traditionally distinguished by Eastern European and Spanish lichenologists on the basis of their morphological and ecological characteristics. Other specialists, however, consider them puzzling. This paper aims to evaluate the taxonomic status of these members of the C. aculeata group and thereby to clarify their conservation status in Ukraine. Morphological, chemical and ecological features of specimens originating from populations in different regions of Ukraine were tested and compared with

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13

Singh, Pushpi, and Gopal Sinha. "A New Record of Lichen in the Genus Graphis for India from Assam." Indian Journal of Forestry 35, no. 1 (2012): 133–34. http://dx.doi.org/10.54207/bsmps1000-2012-33j2lq.

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Graphis pseudoaquilonia Lücking has been found as new record for Indian lichen flora from Assam. It is characterized by striate labia, clear hymenium, terminally muriform ascospores and the presence of norstictic acid.

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14

K.S. Vinayaka, Archana R. Mesta, and N. Rajeshwari. "New record of an usneoied lichen Usnea hirta (L.) Weber ex F.H.Wigg. from India." Journal of Threatened Taxa 15, no. 2 (2023): 22764–66. http://dx.doi.org/10.11609/jott.8303.15.2.22764-22766.

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The present communication is reports a new record of Usnea hirta (L.) Weber ex F.H.Wigg. of family Parmeliaceae collected from the Western Ghats of Karnataka. Usnea hirta differs from already known U. ghattensis in having norstictic acid, a fatty acid murolic group and presence of isidia in thallus.

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15

BREUSS, Othmar, and Robert LÜCKING. "Three new lichen species from Nicaragua, with keys to the known species of Eugeniella and Malmidea." Lichenologist 47, no. 1 (2015): 9–20. http://dx.doi.org/10.1017/s0024282914000565.

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AbstractEugeniella palleola, Graphis paraschiffneri, and Malmidea cineracea are described from Nicaragua. Eugeniella palleola is characterized by having pale apothecial discs and prominent, white margins, and producing a complex chemistry including atranorin, stictic and norstictic acids, and an unknown substance. Graphis paraschiffneri has lirellae with a lateral thalline margin, striate labia, a completely carbonized excipulum, transversely septate ascospores, and contains norstictic acid in the thallus. Malmidea cineracea is characterized by a granulose-isidiate thallus with a yellowish med

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16

Elix, JA, and SA Bennett. "6-O-Methylarthothelin and 1,3,6-Tri-O-Methylarthothelin, Two New Xanthones From a Dimelaena Lichen." Australian Journal of Chemistry 43, no. 9 (1990): 1587. http://dx.doi.org/10.1071/ch9901587.

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6-O-Methylarthothelin (5) (2,4,5-trichloro-1,3-dihydroxy-6-methoxy-8- methyl-9H-xanthen-9-one) and 1,3,6-tri-O-methylarthothelin (7) (2,4,5- trichloro-1,3,6-trimethoxy-8-methyl-9H-xanthen-9-one) have been synthesized and shown to cooccur with norstictic acid, connorstictic acid, atranorin and 2,4,5-trichlorolichexanthone (4) in a Dimelaena lichen.

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17

Zhang, Jiarong, Xiandong Xue, Lin Liu, Xuyun Qiu, and Qiang Ren. "Lepra yunlingensis and L. taiwanensis spp. nov. from China." Mycotaxon 136, no. 4 (2022): 779–84. http://dx.doi.org/10.5248/136.779.

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Two new species of Lepra are described from China: L. yunlingensis is characterized by its 2-spored asci and the presence of norstictic and cryptostictic acids; L. taiwanensis is characterized by its 1-spored asci and the presence of barbatic acid.

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18

ANSIL, PARAYELIL A., KUNHIRAMAN C. RAJESHKUMAR, ROBERT LÜCKING, SRUTHI O. PARAPARATH, and BHARATI SHARMA. "Molecular studies of Allographa effusosoredica sp. nov. (Graphidaceae) along with its Trentepohlia photobiont and a comprehensive checklist for Indian Allographa." Phytotaxa 664, no. 1 (2024): 31–45. http://dx.doi.org/10.11646/phytotaxa.664.1.3.

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The current study describes a new species, Allographa effusosoredica, from the Western Ghats, India, along with its Trentepohlia photobiont. This study is based on morphological, chemical and molecular analyses using mtSSU, LSU and RPB2 sequence data for Allographa effusosoredica mycobiont and ITS sequence data for Trentepohlia photobiont. Allographa effusosoredica is characterized by a thin effuse thallus with diffuse soredia, 8-spored asci, transversely 7–11 septate ascospores, and norstictic acid chemistry. It is surprisingly similar to the widespread Graphis glaucescens, which differs in t

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19

SUN, ZHONG-SHUAI, and ZUN-TIAN ZHAO. "A new species of Pertusaria (Pertusariaceae, Ascomycota) from Qinghai-Tibet Plateau of China." Phytotaxa 333, no. 1 (2018): 143. http://dx.doi.org/10.11646/phytotaxa.333.1.13.

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Two species of Pertusariaceae are here described as new to science, based on material collected from Qinghai-Tibetan Plateau, western China. Pertusaria tibetensis Z.S. Sun has broad lecanorate verrucae, pinkish pruinose discs, 1-spored asci and the presence of norstictic acid. Pertusaria beishanensis Z.S. Sun has broad lecanorate verrucae, black pruinose discs, 2-spored asci and the presence of planaic acid.

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20

Elix, JA, SA Bennett, and J. Hui. "2,5-Dichloro-6-O-Methylnorlichexanthone and 4,5-Dichloro-6-O-Methylnorlichexanthone, Two New Xanthones From an Australian Dimelaena Lichen." Australian Journal of Chemistry 44, no. 8 (1991): 1157. http://dx.doi.org/10.1071/ch9911157.

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2,5-Dichloro-6-O-methylnorlichexanthone (8) (2,5-dichloro-1,3-dihydroxy-6-methoxy-8-methyl-9H-xanthen-9-one) and 4,5-dichloro-6-O-methylnorlichexanthone (9)(4,5-dichloro-1,3-dihydroxy-6-methoxy-8-methyl-9H-xanthen-9-one) have been synthesized and shown to co-occur with norstictic acid, connorstictic acid, atranorin, 6-O-methylarthothelin (4), 2,4,5- trichlorolichexanthone (5), 1,3,6-tri-O-methylarthothelin (6) and thiophaninic acid (7) in an Australian Dimelaena lichen.

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21

Tay, Turgay, Ayşen Özdemir Türk, Meral Yılmaz, Hayrettin Türk, and Merih Kıvanç. "Evaluation of the Antimicrobial Activity of the Acetone Extract of the Lichen Ramalina farinacea and its (+)-Usnic Acid, Norstictic Acid, and Protocetraric Acid Constituents." Zeitschrift für Naturforschung C 59, no. 5-6 (2004): 384–88. http://dx.doi.org/10.1515/znc-2004-5-617.

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The acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid constituent showed antimicrobial activity against Bacillus subtilis, Listeria monocytogenes, Proteus vulgaris, Staphylococcus aureus, Streptococcus faecalis. Yersinia enterocolitica, Candida albicans, and Candida glabrata. Norstictic acid was active against Aeromonas hydrophila as well as the above microorganisms except Yersinia enterocolitica. Protocetraric acid showed activity only against the tested yeasts Candida albicans and Candida glabrata. The MIC values of the extract as well as of the three substances were d

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22

JOSHI, Santosh, Young Jin KOH, László LÖKÖS, Udeni JAYALAL, and Jae-Seoun HUR. "Graphis koreana (Graphidaceae, Ostropales), a new species from South Korea." Lichenologist 45, no. 5 (2013): 593–97. http://dx.doi.org/10.1017/s0024282913000224.

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AbstractA saxicolous Graphis discovered in the southern part of South Korea is described as new to science. The new species, Graphis koreana sp. nov., is characterized by a green to brownish green, thick, rimose thallus, completely carbonized proper exciple, trans-septate to submuriform ascospores and the presence of norstictic acid.

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23

Zlatanović, Ivana, and Gordana Stojanović. "Chemical composition and biological activities of „Umbilicaria crustulosa“ and „Umbilicaria cylindrica“ extracts." Chemia Naissensis 2, no. 2 (2019): 30–45. http://dx.doi.org/10.46793/chemn2.2.030z.

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The main compounds of acetone, methanol, ether and ethyl acetate extracts of Umbilicaria crustulosa are tridepsides, gyrophoric acid and crustinic acid, and didepside, lecanoric acid. Chemical composition of Umbilicaria cylindrica extracts depends on the solvent used for the extraction and the major components are depsidones, salazinic acid and norstictic acid or depsides, gyrophoric acid and atranorin. Extracts of U. crustulosa and U. cylindrica have shown antibacterial, antioxidant, cytotoxic, antiproliferative and anticlastogenic activity. Acetone extracts of U. crustulosa and U. cylindrica

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24

BOGO, DANIELLE, ISABEL MÁXIMO C. ALCÂNTARA, GLAUCIA BRAZ ALCANTARA, ANA CAMILA MICHELETTI, NELI HONDA, and MARIA DE FÁTIMA CEPA MATOS. "Cytotoxicity of norstictic acid derivatives, a depsidone from Ramalina anceps Nyl." Turkish Journal of Chemistry 48, no. 5 (2024): 748–55. http://dx.doi.org/10.55730/1300-0527.3694.

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25

Barcenas-Peña, Alejandrina, Steven D. Leavitt, Jen-Pan Huang, Felix Grewe, and H. Thorsten Lumbsch. "Phylogenetic study and taxonomic revision of the Xanthoparmelia mexicana group, including the description of a new species (Parmeliaceae, Ascomycota)." MycoKeys 40 (September 18, 2018): 13–28. http://dx.doi.org/10.3897/mycokeys.40.26724.

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Xanthoparmelia(Parmeliaceae, Ascomycota) is the most species-rich genus of lichen-forming fungi. Species boundaries are based on morphological and chemical features, varying reproductive strategies and, more recently, molecular sequence data. The isidiateXanthoparmeliamexicanagroup is common in arid regions of North and Central America and includes a range of morphological variation and variable secondary metabolites – salazinic or stictic acids mainly. In order to better understand the evolutionary history of this group and potential taxonomic implications, a molecular phylogeny representing

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26

Mattsson, J. E., and I. Kärnefelt. "Protein Banding Patterns in the Ramalina Siliquosa Group." Lichenologist 18, no. 3 (1986): 231–40. http://dx.doi.org/10.1017/s0024282986000294.

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AbstractThe value of primary chemical compounds correlated with known secondary chemistry and morphological variation within the Ramalina siliquosa group has been investigated. A hundred specimens were collected on two different occasions from 13 different populations on the Swedish west coast during April 1984. Protein extracts were prepared from 27 on secondary constituents identified and morphologically analysed populations. The protein bandings were performed by means of isoelectric focusing. Twenty-two different banding patterns were analysed since two were destroyed during preparation an

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27

SHARMA, Bharati O., and Pradnya KHADILKAR. "Two new species in the lichen family Graphidaceae from India." Lichenologist 43, no. 5 (2011): 487–90. http://dx.doi.org/10.1017/s0024282911000442.

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AbstractGraphis parvicarpa and Pallidogramme bengalense are described as new to science from India. Graphis parvicarpa is characterized by a striate excipulum, inspersed hymenium, muriform ascospores, and norstictic acid in the thallus. Pallidogramme bengalense is characterized by a striate exciple, muriform, hyaline to pale brown ascospores, inspersed hymenium and no lichen substances in the thallus.

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28

FISCHER, EBERHARD, DOROTHEE KILLMANN, DAMIEN ERTZ, and EMMANUËL SÉRUSIAUX. "Heterodermia pindurae (Physciaceae)—a new foliose lichen from Rwanda." Phytotaxa 311, no. 3 (2017): 277. http://dx.doi.org/10.11646/phytotaxa.311.3.8.

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The new species Heterodermia pindurae, found in the Nyungwe and Volcanoes National Parks in Rwanda, is described and illustrated. It differs from the morphologically similar H. subcomosa and H. pellucida in the minute, only 0.3–0.6 cm long thallus, blackish cilia, lack of laciniae, the pedicellate, cup-like apothecia with sorediate margins and production of norstictic acid.

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29

NEUWIRTH, Gerhard, and Robert LÜCKING. "A new species of Graphis (Graphidaceae) from Venezuela." Lichenologist 41, no. 3 (2009): 271–74. http://dx.doi.org/10.1017/s0024282909008354.

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AbstractA corticolous Graphis discovered in the southern part of Venezuela is described as new to science. The new species, Graphis breussii sp. nov., is characterized by rather large, prominent lirellae with striate labia and apically thin complete thalline cover, a completely carbonized exciple, four submuriform ascospores per ascus, and norstictic acid; it belongs in the Graphis acharii group.

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30

Zlatanović, Ivana, Ivana Zrnzević, Olga Jovanović, Igor Stojanović, Goran Petrović, and Gordana Stojanović. "Chemical Composition of Umbilicaria crustulosa and U. cylindrica." Natural Product Communications 12, no. 7 (2017): 1934578X1701200. http://dx.doi.org/10.1177/1934578x1701200726.

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The chemical composition of ether, ethyl acetate and dichloromethane extracts of Umbilicaria crustulosa and U. cylindrica were determined for the first time by HPLC-UV, GC-FID and GC-MS. The HPLC-UV analysis was revealed the presence of methyl orsellinate, lecanoric acid, crustinic acid, gyrophoric acid and atranorin in U. crustulosa extracts while in U. cylindrica extracts were detected following compounds: salazinic acid, norstictic acid, atraric acid, gyrophoric acid and atranorin. GC-FID and GC-MS analysis were enabled the identification of orsellinic acid (40.4%) and orcinol (48.1%) as ma

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31

Posner, B., G. B. Feige, and S. Huneck. "Studies on the Chemistry of the Lichen Genus Umbilicaria Hoffm." Zeitschrift für Naturforschung C 47, no. 1-2 (1992): 1–9. http://dx.doi.org/10.1515/znc-1992-1-202.

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Abstract The aromatic compounds of more than 400 specimens of 33 species of the lichen genus Umbilicaria have been investigated by HPLC. Additionally to gyrophoric, hiascic, lecanoric, ovoic and umbilicaric acids, atranorin, norstictic and stictic acids, the new depside crustinic acid has been found. Structure elucidation of crustinic acid was made by means of HPLC cochromatography, NMR , UV and mass spectrometry. Now the secondary product patterns of Umbilicaria species are discussed and their significance for systematic purposes is shown.

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32

Barcenas-Peña, Alejandrina, Steven D. Leavitt, Jen-Pan Huang, Felix Grewe, and H. Thorsten Lumbsch. "Phylogenetic study and taxonomic revision of the Xanthoparmelia mexicana group, including the description of a new species (Parmeliaceae, Ascomycota)." MycoKeys 40 (September 18, 2018): 13–28. https://doi.org/10.3897/mycokeys.40.26724.

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Xanthoparmelia (Parmeliaceae, Ascomycota) is the most species-rich genus of lichen-forming fungi. Species boundaries are based on morphological and chemical features, varying reproductive strategies and, more recently, molecular sequence data. The isidiate Xanthoparmelia mexicana group is common in arid regions of North and Central America and includes a range of morphological variation and variable secondary metabolites – salazinic or stictic acids mainly. In order to better understand the evolutionary history of this group and potential taxonomic implications, a molecular phylogeny represent

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33

FRYDAY, Alan M., and Dag O. ØVSTEDAL. "New species, combinations and records of lichenized fungi from the Falkland Islands (Islas Malvinas)." Lichenologist 44, no. 4 (2012): 483–500. http://dx.doi.org/10.1017/s0024282912000163.

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AbstractTen new species in nine different genera are described from the Falkland Islands (Islas Malvinas): Bryonora granulata with a finely granular thallus containing perlatolic acid; Bryoria mariensis, a terricolous species with norstictic acid and unusual cortex cells; Carbonea hypopurpurea with a K+ purple hypothecium and a thallus containing confluentic and 2′-O-methylperlatolic acids; Caloplaca megalariicola lichenicolous on Megalaria grossa; Cladonia flammea with a red-orange coloration on the lower side of the primary squamules; Cliostomum falklandicum, on rocks and with a dispersed th

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34

POENGSUNGNOEN, VASUN, LEKA MANOCH, PACHARA MONGKOLSUK, and KLAUS KALB. "New species of Graphidaceae from Loei Province, Thailand." Phytotaxa 189, no. 1 (2014): 255. http://dx.doi.org/10.11646/phytotaxa.189.1.18.

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Twelve new species of the lichen family Graphidaceae are described from NE Thailand, namely Fissurina niveoalba, with warty paraphyses tips, muriform ascospores and the lack of secondary lichen substances; F. phuluangii, with 2–8 muriform ascopores and the production of stictic and hypostictic acids; Graphis subdussii, distinguished by unbranched, straight ascomata with entire labia, a completely carbonized exciple and transversely septate, up to 170 µm long ascospores; G. subinsulana, with conspicuous, prominent ascomata, a laterally carbonized exciple, single, muriform ascospores and norstic

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SUTJARITTURAKAN, JUTARAT, WANARUK SAIPUNKAEW, KANSRI BOONPRAGOB, and KLAUS KALB. "New species of Graphidaceae (Ostropales, Lecanoromycetes) from southern Thailand." Phytotaxa 189, no. 1 (2014): 312. http://dx.doi.org/10.11646/phytotaxa.189.1.22.

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Fourteen species of the lichen family Graphidaceae from southern Thailand are described as new, namely Creographa subbrasiliensis, which is similar to C. brasiliensis but without chemistry; Diorygma angusticarpum, which differs from D. hieroglyphicum by a I+ blue hymenium and lirellae with a slit-like disc; D. chumphonense, distinguished by its small, densely muriform ascospores and production of salazinic and norstictic acids; D. citri, distinguished by a I- hymenium and a complex chemistry including salazinic and hypostictic acids as major metabolites; D. conprotocetraricum, which is unique

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Ruoss, E., and T. Ahti. "Systematics of Some Reindeer Lichens (Cladonia Subg. Cladina) in the Southern Hemisphere." Lichenologist 21, no. 1 (1989): 29–44. http://dx.doi.org/10.1017/s0024282989000058.

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AbstractCladonia arbuscula subsp. squarrosa (Wallr.) Ruoss and C. stygia (Fr.) Ruoss are reported for the first time from the Southern Hemisphere. Populations of C. arbuscula in New Zealand and Australia are recognized as subsp. stictica Ruoss, subsp. nov., usually containing stictic acid, norstictic acid (first report in subg. Cladina), and sometimes also the fumarprotocetraric acid complex. C. laevigata (Vainio) Gyelnik is reinstated in Cladonia subg. Cladina sect. Tenues, while C. stygia is considered to belong to sect. Crustaceae rather than to sect. Tenues. C. confusa R. Sant. is morpholo

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Cui, Can, Yujie Li, Jiahui Xu, Xin Zhao, and Zefeng Jia. "Diorygma tiantaiense sp. nov. and a Checklist and Key to Diorygma Species from China." Diversity 16, no. 4 (2024): 213. http://dx.doi.org/10.3390/d16040213.

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A new species Diorygma tiantaiense Z.F. Jia, sp. nov. was found, which is characterized by a corticolous thallus with norstictic acid, oval or oblong apothecia, immersed to ± raised discs with white pruina, and large muriform ascospores (120–210 × 35–60 µm). Detailed morphological descriptions, photographs, and a comparison and discussion of similar species are provided. A checklist and key to the species of Diorygma known from China is presented.

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Rogers, RW, and GN Stevens. "The Usnea baileyi complex (Parmeliaceae, Lichenised Ascomycetes) in Australia." Australian Systematic Botany 1, no. 4 (1988): 355. http://dx.doi.org/10.1071/sb9880355.

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The Usnea baileyi complex exhibits considerable morphological and chemical variation throughout its range, including Australia. Two chemically distinct but morphological inseparable species are recognised in the complex for Australia. U. baileyi (Stirton) Zahkbr. is widespread in eastern Australia and is characterised by the presence of eumitrins and depsidones (especially norstictic acid). U. elata Motyka is known from only one Australian locationa nd contains depsides (diffractaic acid being the mojor secondary constituent) but nu eumitrins. Fourteen taxa are trated as synonyms of U. baileyi

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Giralt, Mireia, Mercedes Barbero, and Pieter van den Boom. "Rinodina Algarvensis, A New Saxicolous Sorediate Species from Portugal Containing the Stictic Acid Complex." Lichenologist 28, no. 1 (1996): 1–8. http://dx.doi.org/10.1006/lich.1996.0001.

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AbstractA new sorediate species of Rinodina (R. algarvensis sp. nov.) is describedfrom SouthPortugal, where it grows on siliceous rocks. It is mainly characterized by its distinctivechemistry, being the only saxicolous Rinodina species hitherto known to contain stictic, cryptostictic, norstictic and menegazziaic acids in addition to atranorin and zeorin. It is compared with R. aspersa, a morphologically similar saxicolous species, which also occurs in south-west Europe, and with R. stictica, a corticolous, sorediate, North American species that also contains the stictic acid chemosyndrome.

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Calatayud, Vicent, and Eva Barreno. "Lecanora Herteliana (Lecanoraceae, Ascomycetes), a New Lichen Species from Spain." Lichenologist 32, no. 6 (2000): 531–38. http://dx.doi.org/10.1006/lich.2000.0291.

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AbstractLecanora herteliana is described from several collections from hard siliceous sandstone, in typically Mediterranean habitats in eastern Spain. The new species has a whitish thallus containing atranorin and norstictic acid. Its apothecia are mostly black, with a thalline exciple, which is finally excluded, and with a well developed true exciple.Lecanora herteliana is most closely related to L. subcoarctata, and it is discussed in relation to this species and other members of the L. marginata group.

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Ranković, Branislav, Marijana Kosanić, Tatjana Stanojković, Perica Vasiljević, and Nedeljko Manojlović. "Biological Activities of Toninia candida and Usnea barbata Together with Their Norstictic Acid and Usnic Acid Constituents." International Journal of Molecular Sciences 13, no. 12 (2012): 14707–22. http://dx.doi.org/10.3390/ijms131114707.

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Dailey, Rebecca, Roger Siemion, Merl Raisbeck, and Chris Jesse. "Analysis of Salazinic, Norstictic, and Usnic Acids in Xanthoparmelia chlorochroa by Ultra-Performance Liquid Chromatography/Tandem Mass Spectrometry." Journal of AOAC INTERNATIONAL 93, no. 4 (2010): 1137–42. http://dx.doi.org/10.1093/jaoac/93.4.1137.

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Abstract The lichen species Xanthoparmelia chlorochroa is toxic when consumed by domestic sheep, cattle, and Rocky Mountain elk. Clinical signs exhibited by poisoned animals include red urine, ataxia, and muscular weakness that rapidly progresses to recumbency. Elk are unable to recover once becoming recumbent; however, most affected cattle can recover if offered suitable feed shortly following the onset of signs. At present, the pathogenesis and specific toxin(s) are unknown. As part of an effort to elucidate the proximate toxin, a method using ultra-performance LC coupled to MS/MS with negat

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BARCENAS PEÑA, Alejandrina, Robert LÜCKING, Ricardo MIRANDA-GONZÁLEZ, and María de los Angeles HERRERA-CAMPOS. "Three new species of Graphis (Ascomycota: Ostropales: Graphidaceae) from Mexico, with updates to taxonomic key entries for 41 species described between 2009 and 2013." Lichenologist 46, no. 1 (2014): 69–82. http://dx.doi.org/10.1017/s0024282913000637.

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AbstractThree species of Graphis (Graphidaceae) are described from Mexico from two research stations of the Universidad Nacional Autónoma de México (UNAM): Chamela Biological Station in the Cuixmala-Chamela Biosphere Reserve, Jalisco, and Los Tuxtlas Tropical Biological Station in the Los Tuxtlas Biosphere Reserve, Veracruz. The new species Graphis bungartzii Barcenas-Peña, Lücking, Herrera-Campos & R. Miranda is characterized by erumpent lirellae with a lateral thalline margin, striate labia and laterally carbonized exciple, transversely septate ascospores, and norstictic and connorsticti

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LÜ, Lei, Yogesh JOSHI, John A. ELIX, et al. "New and noteworthy species of the lichen genus Lecanora (Ascomycota; Lecanoraceae) from South Korea." Lichenologist 43, no. 4 (2011): 321–29. http://dx.doi.org/10.1017/s0024282911000144.

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AbstractTwo new species, Lecanora hafelliana L. Lü, Y. Joshi & Hur and L. loekoesii Y. Joshi, L. Lü & Hur, are described as new to science from South Korea and eight species, L. campestris (Schaer.) Hue, L. cenisia Ach., L. nipponica H. Miyaw., L. perplexa Brodo, L. plumosa Müll. Arg., L. polytropa (Hoffm.) Rabenh., L. subrugosa Nyl. and L. sulcata (Hue) H. Miyaw., are recorded from South Korea for the first time. Lecanora hafelliana is characterized by the presence of hafellic acid, which is reported for the first time in this genus, while L. loekoesii is characterized by multispored

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FRYDAY, Alan M., and Holger THÜS. "The genus Xenolecia (Lecideaceae s. lat., Lecanoromycetidae inc. sed.), including a second species in the genus from Campbell Island, New Zealand." Lichenologist 49, no. 4 (2017): 365–72. http://dx.doi.org/10.1017/s0024282917000287.

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AbstractThe new species Xenolecia cataractarum Fryday is described from Campbell Island. It differs from X. spadicomma, the only other species of the genus, in having much smaller apothecia and ascospores, an olivaceously pigmented epihymenium (brown in X. spadicomma), and a thallus with a non-amyloid medulla and norstictic acid (amyloid medulla and confluentic acid in X. spadicomma). Xenolecia spadicomma is reported here from several localities on the Falkland Islands and three from the Región de Los Lagos, Chile, which are the first reports of this species since its description from Isla Wel

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KANTVILAS, Gintaras. "New species of the genusRimulariaNyl. from Tasmania." Lichenologist 46, no. 3 (2014): 349–64. http://dx.doi.org/10.1017/s0024282913000595.

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AbstractFive new species ofRimularia, all endemic to Tasmania, are described, discussed and illustrated: Four species are saxicolous:R. albotessellataKantvilas (containing pannarin):R. aspicilioidesKantvilas (containing 2′-O–methylperlatolic acid and with apothecia with a thalline margin);R. circumgriseaKantvilas (containing norstictic acid, and with ascospores 8·5–14·0×5·0–6·5 µm); andR. coppinsianaKantvilas (containing bourgeanic acid and with ascospores 10–19×7–12 µm). The corticolousR. asteriphilaKantvilas lacks lichen substances, contains Sedifolia-grey pigment and has ascospores 10–15×7–

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Davydov, E. A., L. S. Yakovchenko, A. G. Paukov, and Y. Ohmura. "Lithographa tesserata (Trapeliaceae, lichenized Ascomycota) new to Japan." Novosti sistematiki nizshikh rastenii 56, no. 2 (2022): 351–56. http://dx.doi.org/10.31111/nsnr/2022.56.2.351.

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The genus Lithographa and the species L. tesserata are reported for the first time for Japan. The species was collected on siliceous rocks in mountain areas of Hokkaido. It is characterized by having crustose areolate thallus, black lirellate ascomata, simple hyaline ascospores and the presence of norstictic acid. Characteristic features of the species based on the Japanese material, distribution, comparison with other species of the genus are provided. In addition, a short description of a specimen of L. tesserata from Sakhalin Island and a comparison with the Japanese material are given.

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Henssen, Aino. "Placoparmelia Patagonica, a New Lichen Genus and Species From Argentina (Parmeliaceae)." Lichenologist 24, no. 2 (1992): 133–42. http://dx.doi.org/10.1017/s002428290050005x.

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Abstract Placoparmelia patagonica Henssen gen. et sp. nov. is described from two localities in Argentina. The placodioid thallus of P. patagonica has a primitive paraplectenchymatous upper cortex in parts but is devoid of a clearly defined lower cortex, true rhizines or tufts of rhizoidal hyphae. The upper surface is minutely porous and reacts HNO3 + blue-green indicating the presence of glomellifera brown. Norstictic acid with small amounts of connorstictic and cryptostictic acid, and a trac of an unknown substance were detected by TLC. The ontogeny and structure of the apothecia and pycnidia

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DANTAS, JACIELE DE OLIVEIRA, ELAINE SANTOS ALVES, ROBERT LÜCKING, and MARCELA EUGENIA DA SILVA CÁCERES. "Three new species of Graphidaceae (lichenized Ascomycota) from the semi-arid region of northeast Brazil." Phytotaxa 331, no. 2 (2017): 289. http://dx.doi.org/10.11646/phytotaxa.331.2.13.

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Three new lichenized fungal species in the family Graphidaceae are described from Northeast Brazil. Graphis alba has lirellae with a conspicuous white cover, eventually becoming striate, small, (sub-)muriform ascospores, and stictic acid. Halegrapha redonographoides features somewhat pseudostromatic ascomata with immersed lirellae, a completely carbonized excipulum, and small, submuriform ascospores, in combination with a norstictic acid chemistry. Thelotrema pachysporoides has an ecorticate, white thallus and produces brown, 7–13-septate, 25–35 × 7–10 µm large ascospores. The new species were

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Manojlovic, Nedeljko T., Perica J. Vasiljevic, Pavle Z. Maskovic, Marina Juskovic, and Gordana Bogdanovic-Dusanovic. "Chemical Composition, Antioxidant, and Antimicrobial Activities of LichenUmbilicaria cylindrica(L.) Delise (Umbilicariaceae)." Evidence-Based Complementary and Alternative Medicine 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/452431.

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The phytochemical analysis of methanol and chloroform extracts ofUmbilicaria cylindricawas determined by HPLC-UV method. The predominant phenolic compound in both extracts was depsidone, salazinic acid (1). Besides salazinic acid, the tested extracts ofU. cylindricacontain norstictic acid (2), methyl-β-orcinol carboxylate (3), ethyl haematommate (4), atranorin (5), and usnic acid (6), in different amounts and relations. The lichen extracts showed comparable and strong antioxidant activity, exhibited higher DPPH and hydroxyl radical scavengings, chelating activity, and inhibitory activity towar

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