Assessing Biodiversity Associated with Four Monumental Trees in Madrid Region (Spain). - Borrajo Millán, Juan Manuel; Pérez Daniëls, Pablo J.; Aguiló Vidal, Irene; Lara Zabia, José; Mingot Martín, David; Aguado Martín, Luis Óscar; Luis Manjón, Jose; Torregrosa Gómez-Meana, Irene; Cebriá Derqui, Carlos (Arboriculture & Urban Forestry, 2025)