Monteagudo Sánchez-Movellán FJ, Butler Sierra I, Bastida Milián F. Ecology, reproductive biology and conservation of Picris willkommii (Schultz Bip.) Nyman (Asteraceae): an endemic, protected species from therophytic grasslands of South-Western Iberian Peninsula. For. syst. [Internet]. 2009Apr.1 [cited 2024Apr.28];18(1):28-1. Available from: https://fs.revistas.csic.es/index.php/fs/article/view/1048