Sylvia Karres is one of the nine female professionals in the book Vakvrouwen - In 40 years of landscape architecture by Yttje Feddes. In her book Yttje describes the developments in landscape architecture on the basis of events and projects from her own career. In addition, she puts nine inspiring female professionals in the spotlight, linking the emancipation of the profession to the women in the profession.

Sylvia Karres is described, among other things, as a professional who “has given an impulse to the quality of public space in the cities - also outside the Netherlands - by carrying out projects with high-quality detailing, which give unity to the city and freedom to the user. ”.