Archive for lichenology
The "Archive for Lichenology" is a "paperless journal" which is published on the internet as pdf files and provides contributions on all fields of lichenology.
(Das "Archive for Lichenology" ist eine "papierlose" Zeitschrift, die in Form von PDF-Dateien im Internet publiziert wird und Beiträge zu allen Teilgebieten der Flechtenkunde (Lichenologie) umfasst. Die Reihe wird durch Felix Schumm herausgegeben und hat die ISSN 1868-4173.)
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16
Nine species of Graphidaceae are described as new to science from South and Central Brazil, in 7 different genera: Acanthothecis normuralis, A. psoromica, Acanthotrema minus, Aggregatorygma submuriforme, Allographa medioinspersa, Diorygma isidiolichexanthonicum, Fissurina excavatisorediosa, Graphis norsorediata, and Graphis tricolor.
15
New or otherwise interesting lichens. VII, including a world key to the lichen genus Heiomasia
(2020)
Eight species new to science are described, Allographa grandis from Cameroon which is distinguished by its very large ascomata, richly muriform, large ascospores and an inspersed hymenium (type B); Bapalmuia microspora from Malaysia which differs from B. consanguinea in having shorter and broader ascospores and a granular thallus; Diorygma cameroonense from Cameroon which differs from D. sticticum in having larger ascospores with more septa; Glyphis frischiana which is similar to G. atrofusca but differs in producing secondary lichen compounds, the first species in Glyphis in doing so. Two new species are added to the genus Heiomasia, viz. H. annamariae from Malaysia, which differs from H. sipmanii in producing the stictic acid aggr. and H. siamensis from Thailand, distinguished from H. sipmanii in containing hypoprotocetraric acid as a major metabolite. The published chemistry of several species of Heiomasia is revised and a new substance, heiomaseic acid, with relative Rf-values 5/19/8, is demonstrated for H. seaveyorum, H. siamensis and H. sipmanii. A world-wide key to the known species of Heiomasia is presented. Myriotrema squamiferum, a fertile species from Malaysia, is distinguished from M. frondosolucens by lacking lichexanthone. As there are conflicting literature data concerning Ocellularia crocea, the type specimen was investigated and the results are reported. Ocellularia macrocrocea, a related species from Malaysia, differs from O. rubropolydiscus in lacking the red pigment covering the disc of the ascomata and in having a broad stump-shaped columella. A revised chemistry for Ocellularia tanii, a new record for Sarawak, is also given. A table of Rfvalues and scans of relevant TLC runs facilitate the interpretation of the spots occurring on TLC plates of Graphidaceae.
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Fascicle XVI of the exsiccate "K. KALB & A. APTROOT: LICHENES NEOTROPICI" (new name for "K. KALB: LICHENES NEOTROPIC" from fascicle XVI onwards) with 23 lichen specimens (No. 628–650) from Brazil, Chile, Dominican Republic, Ecuador, Kenya, Peru and Venezuela is distributed. Three species are described as new, namely Lopadium subcoralloideum Aptroot & Kalb, Lecanactis caceresiana Kalb & Aptroot and Rhizocarpon sipmanianum Kalb & Aptroot. The holotypes of the new species are deposited at Universidade Federal de Mato Grosso do Sul (UFMS). Range extensions are reported for Hypocenomyce tinderreyensis (new to the Neo-tropics; so far only known from Australia, but apparently austral), Ocellularia baorucensis (new to Brazil), Physcidia striata (recently described from Rondônia and the Venezuelean Amazon, and subsequently reported from Amapá and Brazilian Amazonas. The collection from Brazil/Mato Grosso do Sul represents a major range extension to the South), Tephromela campestricola (new to the Neotropics; not different in any way from European material) and Xanthoparmelia arvidssonii (new to Venezuela).
11
Fascicle XV of the exsiccate "K. KALB: LICHENES NEOTROPICI" with 27 lichen specimens (No. 601–627) from Mexico, South and Central America, Africa and Australia is distributed.
Corrected schedae are presented for numbers 231 Malmidea polycampia (Tuck.) Kalb & Lücking (distributed as "Lecanora" soredifera Fée), 495 Gyalolechia stipitata (Wetmore) Søchting & al. (distributed as Caloplaca californica Zahlbr.) and 570 Ramboldia aurea (Kalb & Elix) Kalb, Lumbsch & Elix (distributed as Pyrrhospora aurea Kalb & Elix) with revised chemistry.
Fellhanera laeticolor (Malme) Kalb is a new combination.
10
Index zu den Bildtafeln in folgenden Büchern: F. Schumm (2008): Flechten Madeiras, der Kanaren und Azoren.- 1-294, ISBN 978-300-023700-3; F. Schumm & A. Aptroot (2010): Seychelles Lichen Guide. - 1-404, ISBN 978-3-00-030254-1; F. Schumm (2011): Kalkflechten der Schäbischen Alb - ein mikroskopisch anatomischer Atlas. - 1-410, ISBN 978-3-8448-7365-8 ; A. Aptroot & F. Schumm (2011): Fruticose Roccellaceae - an anatomical-microscopical Atlas and Guide with a worldwide Key and further Notes on some crustose Roccellaceae or similar Lichens. - 1- 374, ISBN 978-3-033689-8; F. Schumm & A Aptroot (2012): A microscopical Atlas of some tropical Lichens from SE-Asia (Thailand, Cambodia, Philippines, Vietnam). - Volume 1: 1-455 (Anisomeridium-Lobaria), ISBN 978-3-8448-9258-1, Volume 2: 456-881 (Malmidea -Trypethelium). ISBN 978-3-8448-9259-9; F. Schumm & A. Aptroot (2013): Flechten Madeiras, der Kanaren und Azoren – Band 2 (Ergänzungsband): 1-457, ISBN 978-3-7322-7480-2; F. Schumm & J.A. Elix (2014): Images from Lichenes Australasici Exsiccati and of other characteristic Australasian Lichens – Volume 1: 1-665, ISBN 978-3-7386-8386-9; Volume 2: 666-1327, ISBN 978-3-7386-
8387-5
9
The amino acid content (alanine/arginine, glutamine, proline, taurine) of five different lichen species (Evernia prunastri, Hypogymnia physodes, Parmelia sulcata, Physcia adscendens, Xanthoria parietina) from different parts of Germany and NW France with different atmospheric nitrogen depositions was determined.
The study revealed that the so called nitrophytic lichen species (Physcia adscendens, Xanthoria parietina) had no higher amino acid contents as compared with the other species. The amino acid contents of five different lichen species from the same tree varied without regard to the nitrophily of the species. The contents of amino acids of the lichen species studied from Bonn is four to twelve times higher as in the same species in the Vosges Mountains, France. The amount of amino acids in nitrophytic species (Xanthoria parietina, Physcia adscendens) from a region with high load of atmospheric nitrogen (35 kg/y/ha) is in average 5 times higher than in the same species from a region with low nitrogen immission (16 kg/y/ha).
It can be concluded that the amino acid contents of lichens reflects the atmospheric nitrogen load and that the amino acid content of so called nitrophytic lichen species is not higher as in other species, that lichens are passive sampler and take up the available nitrogen but make no use of it but store it as amino acids. On the other hand, the conductivity of the cell liquid (as a measure of the osmotic pressure) of nitrophytic lichen species is higher as compared with non-nitrophytic species. Thus the “nitrophily” of these species is presumably not based upon the facility to higher nitrogen uptake but osmotic tolerance against the salt effects of nitrogen compounds. Within nitrophytic species, the osmotic values of Phaeophyscia orbicularis are double as high as those from Physcia adscendens, which is explained by the higher tolerance of Phaeophyscia against dry deposition. The higher osmotic values of nitrophilous lichen species lead to the conclusion that they are also drought resistant species and occur in regions with low humidity where they are more competitive than other lichen species.
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Der Index verzeichnet Bildtafeln aus folgenden Büchern: Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren; Schumm & Aptroot (2010) - Seychelles Lichen Guide; Schumm (2011) - Kalkflechten der Schäbischen Alb - ein mikroskopisch anatomischer Atlas; Aptroot & Schumm (2011) - Fruticose Roccellaceae - an anatomical-microscopical Atlas and Guide with a worldwide Key and further Notes on some crustose Roccellaceae or similar Lichens; und Schumm & Aptroot (2012) - A microscopical Atlas of some tropical Lichens from SE-Asia (Thailand, Cambodia, Philippines, Vietnam), Volume 1 and Volume 2.