scholarly journals Nomenclature of the white-flowered variant of Viola reichenbachiana (Violaceae)

2020 ◽  
Vol 2 (3) ◽  
Author(s):  
Mike Porter ◽  
Mike Foley ◽  
Leslie Lewis
Keyword(s):  

The white-flowered variant of the Early Dog-violet hasn’t been validly published under the specific epithet Viola reichenbachiana. We name it here as Viola reichenbachiana Jord. ex Boreau var. leucantha (Beck) M.S. Porter, M.J.Y. Foley & L. Lewis.

1968 ◽  
Vol 46 (5) ◽  
pp. 539-547 ◽  
Author(s):  
Louis D. Druehl

Ten species of Laminaria are recognized for the northeast Pacific: L. groenlandica Rosenv.; L. farlowii Setchell; L. saccharina (L.) Lamour.; L. setchellii Silva; L. dentigera Kjellman; L. longipes Bory; L. sinclairii (Harvey ex Hooker f. et Harvey) Farlow, Anderson et Eaton; L. ephemera Setchell; L. yezoensis Miyabe; and L. complanata (Setchell et Gardner) Setchell. The specific epithet groenlandica is used for those northeast Pacific plants earlier referred to as L. cuneifolia, pending determination of their specific identity. Laminaria personata Setchell and Gardner is suggested to be conspecific with L. yezoensis, L. cordata Dawson is considered conspecific with L. saccharina and L. platymeris De la Pyl. (sensu Setchell and Gardner) is considered conspecific with L. groenlandica. Four forms of L. groenlandica are recognized for the northeast Pacific. These forms are not considered as legitimate taxonomic entities but are distinguished merely to provide a means of facilitating discussion. The known habitat requirements for all 10 species were broadened excepting those of L. complanata and L. sinclairii, and the known distributions of all species, excepting that of L. groenlandica, were extended.


Author(s):  
G. Russell

Ectocarpus distortusandE. landsburgiiare shown to be conspecific and to constitute free-living ecads ofE. fasciculatus.It is therefore recommended that the two should no longer be regarded as true species although it is pointed out that the specific epithetE. distortusmay have priority overE. fasciculatus.If so, the entire complex, provisionally retained asE. fasciculatus, may have to be known asE. distortus.Meanwhile it is recommended that the list of BritishEctocarpusspp. be reduced to two, namelyE. fasciculatusandE. siliculosus.


Phytotaxa ◽  
2020 ◽  
Vol 455 (2) ◽  
pp. 182-186
Author(s):  
PIERO G. DELPRETE

Giovanni Casaretto published Eugenia rotundifolia Casaretto (1842: 40) using material that he collected in Restinga vegetation between Copacabana and Lagoa Rodrigo de Freitas, Rio de Janeiro, Brazil. Berg (1857: 287) treated E. rotundifolia Casaretto as a distinct species, and recognized two varieties. However, the binomial E. rotundifolia (Walker-Arnott 1836: 335) Wight (1841: 17) was previously published for a taxon occurring in Sri Lanka. Therefore, Casaretto’s name is a later superfluous homonym and illegitimate. In a recent article on the typification of plant names published by Casaretto, Delprete et al. (2019) proposed E. casarettoana Delprete (2019: 25) as a substitute name for E. rotundifolia Casaretto. However, Delprete and his collaborators overlooked that the name E. casarettoana O. Berg (1857: 520) was previously published using material collected by Martius near the town of Coari, state of Amazonas, Brazil, and belongs to a distinct species occurring in the Brazilian Amazon. Also, Berg (1857) spelled the specific epithet “casaretteana” without explaining to whom he dedicated the epithet. It is obvious that it was dedicated to Casaretto, as no other botanist or plant collector has a similar last name. Therefore, according to Recommendation 60C of the ICN (Turland et al. 2018), the spelling of this epithet should be corrected to casarettoana, as it has been done for this and other specific epithets dedicated to Casaretto (Delprete 2016).


2014 ◽  
Vol 88 (5) ◽  
pp. 948-966 ◽  
Author(s):  
Joseph A. Corsini ◽  
Madelaine Böhme ◽  
Walter G. Joyce

Testudo antiqua is one of the few fossil turtle names to have survived the past 200 years of taxonomic reshuffling with its original genus and specific epithet intact. The nine currently known specimens were collected from the middle Miocene Hohenhöwen locality in southern Germany. Because the available Hohenhöwen material was never fully described, we here completely document all known specimens. It is unclear which of these specimens formed the original T. antiqua type series, so we herein selected the best preserved representative as the neotype. A phylogenetic analysis places T. antiqua in a basal polytomy within the clade Testudo, indicating that T. antiqua may represent the ancestral morphology of Testudo. As with a number of other published studies, ours was unable to resolve relationships between the three extant Testudo lineages (the hermanni-group, the graeca/kleinmanni/marginata group, and the horsfieldii-group). Finally, with a view toward locating more turtles and in order to better understand the geological and ecological context of these tortoises, we visited Hohenhöwen several times to search for the original collection sites, but we were unable to locate the original fossil quarries described in the literature.


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