Peridictyon

Peridictyon
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Genus:	Peridictyon; Seberg, Fred. & Baden
Species:	P. sanctum
Binomial name
	Peridictyon sanctum; (Janka) Seberg, Fred. & Baden nom. inval.
Synonyms
	Agropyron sanctum (Janka) Hackel e Formánek; Brachypodium sanctum (Janka) Janka; Festuca sancta Janka; Festucopsis sancta (Janka) Meld.;

Peridictyon is a name that has been used for a genus of grass with a single species, Peridictyon sanctum nom. inval., native to southern Bulgaria and northern Greece,^[1] but a technical problem with the publication means that it is not a botanical name.

Botanical nomenclature

When the genus name Peridictyon was published,^[1] the authors cited the type as the combinatio nova P. sancta (Janka) Seberg, Fred. & Baden, based on Festuca sancta Janka. What they did not notice, however, is that the description provided in the publication of F. sancta Janka^[2] includes remarks about finding the species, but does not list any features of the plant that would distinguish it from other species in the genus Festuca as is required by the International Code of Nomenclature for algae, fungi, and plants.^[3] This oversight has been judged by Index Nominum Genericorum to mean that Peridictyon (and P. sanctum) are not validly published.^[4]

References

^ ^a ^b ^c Seberg, O.; Signe, F.; Baden, C.; Linde-Laursen, I. (1991), "Peridictyon, a new genus from the Balkan Peninsula, and its relationship with Festucopsis (Poaceae)", Willdenowia, 21 (1/2): 87–104, JSTOR 3996595
^ "Letter from Janka to the journal from Salonich, 8 August 1871", Oesterreichische botanische Zeitschrift, 21: 249–252, 1871 Template:De icon
^ McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Prud'homme Van Reine, W.F.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012), International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011, vol. Regnum Vegetabile 154, A.R.G. Gantner Verlag KG, ISBN 978-3-87429-425-6 Articles 6.10 and 38
^ Index Nominum Genericorum, retrieved 3 April 2016

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[Seberg-1] Seberg, O.; Signe, F.; Baden, C.; Linde-Laursen, I. (1991), "Peridictyon, a new genus from the Balkan Peninsula, and its relationship with Festucopsis (Poaceae)", Willdenowia, 21 (1/2): 87–104, JSTOR 3996595

[2] "Letter from Janka to the journal from Salonich, 8 August 1871", Oesterreichische botanische Zeitschrift, 21: 249–252, 1871 Template:De icon

[3] McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Prud'homme Van Reine, W.F.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012), International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011, vol. Regnum Vegetabile 154, A.R.G. Gantner Verlag KG, ISBN 978-3-87429-425-6 Articles 6.10 and 38

[4] Index Nominum Genericorum, retrieved 3 April 2016

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