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Taraxacum mariae J. Marciniuk & P. Marciniuk is a new triploid species of T. sect. Palustria. In terms of morphology it is closest to the group of T. brandenburgicum and T. bibulum. In the presented paper, the description of the new species, its distribution, diagnostic characters and habitat requirements are provided.

9 páginas, 3 figuras, 1 tabla.-- Parte septima de la serie "A taxonomic and biosystematic revisión of the genus Limonium (Plumbaginaceae)"., [EN] A new triploid apomictic species (Limonium perplexum) is described from a single coastal locality of E Spain. The new species has been previously confused with L cavanillesii Erben, which is only known from few herbarium specimens and it is believed to be extinct. Overall morphology, chromosome number, and the pollen/stigma combination suggest that L perplexum belongs to the L. duriusculum complex. Based on morphological grounds it is suggested that L. cavanillesii Erben could have been originated through a crossing between L perplexum and L dufourii., [ES] Se describe una nueva especie apomíctica triploide, Limonium perplexum, de una localidad del litoral de la provincia de Castellón, España. La nueva especie había sido confundida hasta el momento con L cavanillesii Erben, de la que se conocen únicamente escasos ejemplares de herbario. La morfología de L perplexum, el número cromosómico y la combinación polínicoestigmática permiten relacionarla con el complejo de L duriusculum. Sobre la base del estudio morfológico se establece la hipótesis de que L cavanillesii Erben podría haber sido originado por una hibridación entre L perplexum y L dufourii.

A new tetraploid agamic species, Limonium vigoi, is described from coastal populations of the Northeast of the Spain (Ebro delta). The new species is related, on morphological grounds, to L. girardianum (Guss.) Fourr. and L. grosii L. Llorens, from which it could be easily discriminated by its retuse leaves, the basal ones usually withered at anthesis, the very short (or even absent) leaf apiculum, the denser and longer (up to 0.7 mm) hairs of the calyx tube and the deeper colour of the corolla. In addition, L. girardianum is triploid, whereas L. vigoi and L. grosii are tetraploid. Limonium girardianum and L. grosii show the same pollen/stigma combination (A/cob type) which differs from that exhibited by L. vigoi (B/papillate type). The types of Limonium girardianum f. retusum Pignatti and L. glaucophyllum Pignatti, two taxa described from the Ebro delta, could not be distinguished from L. girardianum, but they clearly differed from L. vigoi.Se describe una nueva especie apomíctica (Limonium vigoi) procedente del nordeste de la Península Ibérica (delta del Ebro). Limonium vigoi presenta semejanzas morfológicas con L. girardianum (Guss.) Fourr. Y L. grosii L. Llorens, pero se diferencia de éstos por presentar hojas retusas, las básales normalmente marchitas en la antesis, mucrón terminal poco desarrollado o ausente, indumento calicinal constituido por tricomas más largos y color de la corola más oscuro. Además, L. girardianum es triploide, mientras que L. vigoi y L. grosii son tetraploides. Limonium girardianum y L. grosii presentan la misma combinación polínicoestigmática (A/cob), la cual difiere de la que posee L. vigoi (B/papilosa). El material tipo de Limonium girardianum i. retusum Pignatti y L. glaucophyllum Pignatti, dos táxones descritos del delta del Ebro, resulta indistinguible de L. girardianum y presenta claras diferencias respecto a .

An apomictic Limonium with a single pollen-stigma combination (B type), Limonium interjectum, is proposed as a new species to replace the invalid name Statice dianiae Pau. The new species has a restricted distribution on the sea costs of eastern Spain (Alicante Province). It shows a striking morphological similarity to L. virgatum (Willd.) Fourr. and L. girardianum (Guss.) Girard; on this basis it is suggested that L. interjectum is a hybrid derived from the two species.Se describe Limonium interjectum como especie nueva del Levante peninsular español, el cual había sido previamente denominado con el nombre ilegítimo de Statice dianiae Pau. L. interjectum es una especie apomíctica que presenta una sola combinación polínico estigmática (tipo B). Sus afinidades morfológicas son próximas a L. virgatum (Willd.) Fourr. Y L. girardianum (Guss.) Girard, y se sugiere que L. interjectum es un taxon hibridógeno que pudo haberse originado a partir de ambas especies.

Compilation of the nomenclatural checklist of Rosaceae for volumes 16 and 17 of Atlas Florae Europaeae resulted in nomenclatural and taxonomic adjustments presented here. The synonymy of Cotoneaster bullatus is verified; the name C. tomentellus is shown to have been validly published in 2009 instead of 1961. Cotoneaster marianus, an alleged endemic to Macedonia, is a synonym of C. parnassicus from Greece. The new combination Sorbaronia mitschurinii is proposed to reflect the intergeneric hybrid origin of Aronia mitschurinii, an apomictic species of cultigenous origin (Aronia melanocarpa × Sorbus aucuparia). The name Crataegus chrysocarpa var. rotundifolia J. B. Phipps & Sennikov is proposed to replace the illegitimate C. chrysocarpa var. phoenicea E. J. Palmer, and the illegitimate C. horrida Medik. ex Cinovskis 1971 is added to its synonymy. The new name Crataegus chrysocarpa var. phoeniceoides J. B. Phipps & Sennikov is proposed for C. chrysocarpa var. phoenicea J. B. Phipps, nom. illeg., non E. J. Palmer. The name Sorbus tauricola Zaik. ex Sennikov is validly published with a new description and type designation. The lectotype of Cotoneaster bullatus and the neotypes of C. moupinensis f. floribundus and Mespilus rotundifolia are designated.

Based on a combined ITS-LSU rDNA analysis, the omphalinoid genus Haasiella is shown to be part of the Hygrophoroid clade and sister to Hygrophorus. H. venustissima and H. splendidissima are conspecific; H. splendidissima is the tetrasporic/clamped and heterothallic form of H. venustissima.

10 páginas, 5 figuras, 2 tablas.-- Parte sexta de la serie "A taxonomic and biosystematic revisión of the genus Limonium (Plumbaginaceae)"., [EN] A new tetraploid agamic species, Limonium vigoi, is described from coastal populations of the Northeast of the Spain (Ebro delta). The new species is related, on morphological grounds, to L. girardianum (Guss.) Fourr. and L. grosii L. Llorens, from which it could be easily discriminated by its retuse leaves, the basal ones usually withered at anthesis, the very short (or even absent) leaf apiculum, the denser and longer (up to 0.7 mm) hairs of the calyx tube and the deeper colour of the corolla. In addition, L. girardianum is triploid, whereas L. vigoi and L. grosii are tetraploid. Limonium girardianum and L. grosii show the same pollen/stigma combination (A/cob type) which differs from that exhibited by L. vigoi (B/papillate type). The types of Limonium girardianum f. retusum Pignatti and L. glaucophyllum Pignatti, two taxa described from the Ebro delta, could not be distinguished from L. girardianum, but they clearly differed from L. vigoi., [ES] Se describe una nueva especie apomíctica (Limonium vigoi) procedente del nordeste de la Península Ibérica (delta del Ebro). Limonium vigoi presenta semejanzas morfológicas con L. girardianum (Guss.) Fourr. Y L. grosii L. Llorens, pero se diferencia de éstos por presentar hojas retusas, las básales normalmente marchitas en la antesis, mucrón terminal poco desarrollado o ausente, indumento calicinal constituido por tricomas más largos y color de la corola más oscuro. Además, L. girardianum es triploide, mientras que L. vigoi y L. grosii son tetraploides. Limonium girardianum y L. grosii presentan la misma combinación polínicoestigmática (A/cob), la cual difiere de la que posee L. vigoi (B/papilosa). El material tipo de Limonium girardianum i. retusum Pignatti y L. glaucophyllum Pignatti, dos táxones descritos del delta del Ebro, resulta indistinguible de L. girardianum y presenta claras diferencias respecto a L. vigoi., This work was supported by DGICYT research grant PB 93-0350.