Quercus - Associação Nacional de Conservação da Natureza is a Portuguese environmental organization founded in 1985. The name Quercus is used because the Oak is one of the species that is characteristic in this country and that nowadays is increasingly rare. Its headquarters are in the Monsanto Forest Park, in Lisbon. More information...
In June 2020 the website quercus.pt was on the 122,309th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 212,551st place in June 2020. From Wikipedians' point of view, "quercus.pt" is the 185,300th most reliable source in different language versions of Wikipedia (AR-score).
The website is placed before esoterra.org and after artes9.com in multilingual PR ranking of the most reliable sources in Wikipedia.
BestRef shows popularity and reliability scores for sources in references of Wikipedia articles in different languages. Data extraction based on complex method using Wikimedia dumps. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details...