We provide new records of 17 exotic plants in the Baix Llobregat region observed between the years 2011 and 2014. Two species are the first records for Europe: Acacia rostellifera Benth. and Trichloris crinita (Lag.) Parodi; two are new plants for the Iberian Peninsula: Bouteloua dactyloides...

Incidences of the most important saprophytic and parasitic fungi on olive and fruit sensitivity to fungal infection at various stages of fruit maturation, the pathogenic capacity of the most important fungi and their effect on oil quality were studied by artificial inoculations.

Based on morphological characteristics, the causal agent of olive anthracnose in Lerida, Spain, was identified as Phlyctaena vagabunda [Pezicula alba].

Chorological notes on some interesting taxa of the Balearic flora are reported, of which the following are outstanding: Gennaria diphylla, Hydrocotyle bonariensis, Physalis peruviana and Teucrium dunense × T. polium subsp. capitatum.

As a preliminary step leading to the determination of the aphid species transmitting citrus tristeza virus in Valencia, a survey of the aphids present was carried out in all the citrus-growing regions of the province in the spring of 1980. The 8 species collected were (in order of decreasing...