plants Article Natural and Historical Heritage of the Lisbon Botanical Gardens: An Integrative Approach with Tree Collections Ana Raquel Cunha 1,2,† , Ana Luísa Soares 2,3,† , Miguel Brilhante 1 , Pedro Arsénio 1 , Teresa Vasconcelos 4, Dalila Espírito-Santo 1 , Maria Cristina Duarte...