petroleum contamination of soil is a serious problem throughout the oil producer countries. vegetation may play an important role in the biodegradation of toxic organic chemicals in soil. for petroleum compounds, the presence of rhizosphere micro flora may accelerate biodegradation of the contaminants. in a greenhouse study, petroleum contaminated soil were treated using phytoremediation . the ...

Abstract We present a taxonomic treatment for the species of Didymochlaenaceae and Dryopteridaceae occurring in region Viçosa, Minas Gerais, Brazil. This study was based on 50 herbarium gatherings from IAN, K, NY, PACA, RB, SP, UPCB, US, VIC. is represented by single species, Didymochlaena truncatula, whereas has 11 infrageneric taxa seven genera: Ctenitis (four taxa, including two varieties), ...

The halophytes Plantago maritima, Aster tripolium, Artemisia santonicum, Puccinellia limosa, Festuca pseudovina and Lepidium crassifolium from two different saline soils of the Hungarian steppe were examined for colonization by arbuscular mycorrhizal fungi (AMF). The salt aster (A. tripolium) and the sea plantain (P. maritima) were examined more thoroughly by recording root colonization paramet...

Japanese Anthocorini are reviewed. A total of five genera and 13 species were identified, including two new described below: Temnostethus mirificus sp. nov. Anthocoris venustus Previous records miyamotoi Hiura, 1959 from Japan considered to be confused with A. nemoralis (Fabricius, 1794), which is a common widespread in Europe, recorded for the first time; it assumed have been accidentally intr...