This paper critiques empirical studies on transdisciplinarity, which often fall short of the idealized expectations for such research. By analyzing two bioregional assessments, the study argues that the success of transdisciplinary efforts cannot be solely assessed through the projects themselves. Instead, a broader conceptual and empirical framework is needed to evaluate transdisciplinary research effectively. The paper suggests that understanding transdisciplinarity requires a more nuanced perspective beyond direct project analysis and calls for better management and evaluation practices.