Mainly crustose and squamulose lichen communities on highly nutrient-rich limestone substrates on calcareous rocks and walls fully exposed to sun and rain
Aspicilion calcareae Albertson ex James et al. 1977 nom. ambig. rejic. propos.
(29c, 36)
– vni02 James et al. (1977: 349) applied the name Aspicilion calcareae Albertson ex James et al. 1977 for almost all lichen syntaxa on limestone. These authors placed in the synonymy of their syntaxonomic concept the invalidly published names (spelling as used by the authors) Aspicilion calcareae Albertson 1946, Gyalection cupularis Mattick 1951, Lecanactinion stenhammari Mattick 1951, Collemation tunaeformis Degelius 1950, and Lecanorion galactinae Laundon 1956 as well as the validly published names Caloplacion decipientis Klement 1950, Caloplacion pyraceae Klement 1955, Collemion rupestris Klement 1955 and Lecanorion dispersae Laundon 1967. Obviously the Aspicilion calcareae Albertson ex James et al. 1977 is then a nomen superfluum (ICPN art. 29c) as it included earlier, validly published alliance concepts. The earliest included alliance is the Caloplacion decipientis Klement 1950, with the type association Caloplacetum murori Kaiser ex Klement 1950, which is then the type of the Aspicilion calcareae Albertson ex James et al. 1977 (ICPN art. 18b). Following this type the subnitrophilous lichen vegetation on limestone would be placed among nitrophilous vegetation, which would be misleading. In addition, the original diagnosis does not include valid syntaxa of subnitrophilous vegetation and thus we suggest rejecting the name Aspicilion calcareae Albertson ex James et al. 1977 as a nomen ambiguum. Rejection of this name would allow the conservation of the well established name Aspicilion calcareae Albertson ex Roux 1978 for subnitrophytic limestone syntaxa (see Remark vni04). (H. Bültmann).
Caloplacion decipientis Hawksworth 1969
(31)
Caloplacion elegantis Hadač 1962
(3b)
Caloplacion murorum Mattick 1951
(2b)
Lecanorion dispersae Hawksworth 1972
(2b)
Lecanorion dispersae Laundon 1967
(syntax.syn.)
Lecanorion galactinae Laundon 1956
(2b)
Physcion caesiae Kušan 1933
(syntax.syn.)
– vni01 The original diagnosis of the Physcion caesiae (Kušan 1933: 98) contains only the association Physcietum caesiae Motyka 1925 and additional relevés. The relevés of the Physcietum caesiae belong in part in the nitrophilous Caloplacion decipientis Klement 1950 and in part in nutrient-enriched and depauperated vegetation of the subnitrophilous Aspicilion calcareae Albertson ex Roux 1978. We choose here the relevé number 9 in Tab. 3 in Motyka (1925: 845) as the lectotypus hoc loco of the Physcietum caesiae Motyka 1925. Herewith, we place the Physcion caesiae Kušan 1933 in synonymy with the Caloplacion decipientis Klement 1950. Because the Physcion caesiae Kušan 1933 was based on heterogeneous original diagnosis, it has not been applied in the licheno-sociological literature for decades while the Caloplacion decipientis Klement 1950 is a well-established name. Therefore we propose the conservation of the Caloplacion decipientis Klement 1950 against the Physcion caesiae Kušan 1933. (H. Bültmann, J.-P. Theurillat).
Physcion caesiae Motyka ex Beschel 1958
(syntax.syn.)
Physcion caesiae Motyka 1924
(phantom)
Verrucarion muralis Gallé 1960
(syntax.syn.)
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