Assessing Biodiversity Associated with Four Monumental Trees in Madrid Region (Spain) - Borrajo Millán,J.M.; Pérez Daniëls,P.J.; Aguiló Vidal,I.; Lara Zabia,J.; Mingot Martín,D.; Aguado Martín,L.Ó.; Luis Manjón,J.; Gómez-Meana,I.T.; Cebriá Derqui,C. (Arboriculture and Urban Forestry, 2025)