Novedades florísticas para el N de Marruecos 

Pyke, Samuel; Tattou, M. Ibn; Ferrer, P.; El Oualidi, J.; Bacchetta, G.; Montserrat, Josep Maria (2009)

L’herbari Bernades a l’Institut Botànic de Barcelona (BC) 

Ibáñez Cortina, Neus; Soriano, Ignasi; Montserrat, Josep Maria (2009-05)

The BC-Bernades herbarium is one of the oldest collections conserved in the Botanical Institute of Barcelona. It contains part of the fi eld collections of Miquel Bernades i Mainader and Miquel Bernades i Clarís, ...

Sobre la presència d’Echium arenarium (Boraginaceae) a Catalunya 

Gutiérrez, Cèsar; Aixart, Miriam; Bertrán Chavarría, David (2014-06-27)

On the presence of Echium arenarium (Boraginaceae) in Catalonia

Re-evaluation of the Helichrysum italicum complex (Compositae: Gnaphalieae): a new species from Majorca (Balearic Islands) 

Herrando-Moraira, Sonia; Blanco-Moreno, José Manuel; Sáez, Llorenç; Galbany-Casals, Mercè (2016-09-01)

Helichrysum italicum is a widely distributed species in the Mediterranean Basin, which has received controversial taxonomic treatments at infraspecific level owing to its morphological variability. In this paper we perform ...

Youngia japonica (L.) DC. (Compositae) especie recién detectada en Barcelona 

Pyke, Samuel (2017-01-09)

Se cita por vez primera en la península ibérica Youngia japonica, recientemente introducida en una zona ajardinada de Barcelona. Desde la primera observación la especie ha permanecido en el mismo lugar sin expandirse, pero ...

Convolvulus farinosus (Convolvulaceae), naturalitzat a Barcelona 

Blanché, Cèsar; Pyke, Samuel; Masalles, Ramon M. (2018)

Tres tàxons endèmics del gènere Spergula (Caryophyllaceae) del nord d’Àfrica, dos d’ells llargament ignorats 

Romo, Àngel M.; Pyke, Samuel (2018-11-20)

Es proposen dues noves combinacions nomenclaturals dins el gènere Spergula (Caryophyllaceae): Spergula tibestica (Quézel et Monnier) Lebrun ex Romo et Pyke, un taxon endèmic del massís de Tibesti (Txad), i Spergula ...

Hordeum geniculatum (Poaceae) en el NE de la península ibérica 

Pyke, Samuel (2019)

Hordeum geniculatum (poaceae) in the ne iberian peninsula.— Hordeum geniculatum, native to the Iberian Peninsula, is recorded from the lower reaches of the river Ebro. This population constitutes a significant new record ...

Nothoscordum Kunth (Amaryllidaceae, formerly Liliaceae or Alliaceae) in the NE Iberian Peninsula a confusing denizen of parks and gardens 

Pyke, Samuel (2019)

Two morphologically distinct plants of the genus Nothoscordum are examined, following long-term observation of populations in Catalonia and neighbouring Spanish territories. Morphological characters are contrasted, and the ...

Addicions i comentaris a la flora vascular autòctona i aŀlòctona de les muntanyes de Prades 

Molero, Julià; Pyke, Samuel (2019-03-31)

Aportem 57 noves citacions de plantes vasculars per a la Flora de les Muntanyes de Prades (Catalunya meridional); 30 són tàxons autòctons i 27 aŀlòctons, amb un valor corològic divers. Anacyclus homogamus es cita formalment ...

Conyza (Asteraceae): una valoración crítica basada en las poblaciones de Cataluña, España 

Pyke, Samuel (2020-08-31)

Conyza (AsterAceAe): A criticAl evAluAtion bAsed on populAtions in cAtAloniA, spAin.— The genus Conyza is examined with a view to providing a fresh look at its diversity and classification in NE Spanish territory, Catalonia ...

Lawn flora in two Spanish Mediterranean cities 

Pyke, Samuel (2022-01)

A catalogue of vascular plants observed in the lawns of two Mediterranean cities of the NE Iberian Peninsula is presented. These include both the intentionally sown species and the unintentionally present wild flora, ...

El margalló (Chamaerops humilis L., Arecaceae) als litorals central i septentrional de Catalunya: autòcton, introduït o reaparegut? 

Gómez-Bellver, Carlos; López-Pujol, Jordi; Farelo, Paula; Pyke, Samuel; Montserrat, Josep Maria; Nualart, Neus; Ibáñez Cortina, Neus (2023-06)

Chamaerops humilis L., el margalló, és l’única palmera nadiua de la conca Mediterrània occidental. A Catalunya (nord-est de la penín- sula Ibèrica), el seu límit nord de distribució natural se situa al massís del Garraf. ...

Genome size of grass Festuca mountain species from the southwestern European Pyrenees: variation, evolution, and new assessments 

Garnatje, Teresa; Catalán, Pilar; Inda, Luis A.; Vallès, Joan; Pyke, Samuel (2023-07-30)

Festuca is one of the most ecologically and economically important genera of temperate grasses. Species of its type subgenus, Festuca, are common components of cool-seasonal pastures and are especially frequent in mountainous ...