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Land-use influence on Mediterranean perennial swards of Poa bulbosa: a case stu...

Pastureland abandonment or intensification of livestock activity change the floristic patterns of Mediterranean perennial swards which are very important to the conservation of some bird species. The objectives of this study are: 1) to recognise floristic patterns in Mediterranean perennial swards of Poa bulbosa; 2) to identify the communities that configure the European priority habitat 6220* (Pseudo-steppe wi...

Floristic composition patterns of Mediterranean annual non-nitrophilous grassla...

Helianthemetea guttati communities are pioneer spring and early summer ephemeral grasslands, dominated by nonnitrophilous therophytes. In Continental Portugal, these communities have not yet been fully investigated, and thus the objectives of the present study are: (1) to identify community types in therophytic grasslands; (2) to recognize those communities that configure the European priority habitat 6220* (ps...

Vascular plant communities in Portugal (Continental, Azores and Madeira)

Vascular plant communities in Portugal (Continental, the Azores and Madeira)

In this paper we propose a syntaxonomic scheme, according to the Code of Phytosociological Nomenclature for the vegetation of Portugal: continental and the Azores and Madeira archipelagos. The scheme encompasses 827 associations ( 4 communities), 245 alliances, 116 orders, and 64 vegetation classes. The 58 suballiances, 2 suborders and 4 classes, are also mentioned, as auxilliary ranks. For the higher syntaxa d...

As colecções do Parque Botânico da Tapada da Ajuda

Guia geobotânico da excursão ao Parque Natural da Serra de Aires e Candeeiros

The “Serras de Aire e Candeeiros” Natural Park, in the Centre of Portugal, are mostly formed by limestone formations of the Middle Jurassic. Among the plant species located in this Protected Area, there are seven endemic species included in Annex II and/or IV of CEE/92/43 Directive by their rarity: Arabis sadina, Coincya cintrana, Iberis procumbens subsp. microcarpa, Juncus valvatus, Narcissus calcicola, Saxifr...

Catálogo dos sintáxones de Portugal continental, Açores e Madeira

Neste trabalho apresenta-se um catálogo de todos os sintaxa, de associação até classe presentes em Portugal continental, Madeira, Açores e Selvagens. Foram reconhecidas 755 associações, 236 alianças, 51 subalianças, 114 ordens, 2 subordens, 4 subclasses e 64 classes. As ilhas Desertas, Selvagens e o Arquipélago dos Açores são os territórios nacionais com menos informação, não havendo qualquer sintáxone descrito...

Nova associação de charcos temporários mediterrânicos do SW da Península Ibéric...

O dragoeiro e Vandelli

Pilularia minuta Durieu, nova localização para Portugal (Província Alto Alentejo)