Rebuttal to: Xu et al. (2022) 'Research progress on endangered plants: A bibliometric analysis', Biodivers. Conserv. vol. 31, pp 1125–1147.

In 153 documents (4.7% of 3235 documents), the authors do not mention any search keywords in their title, abstract, or author keywords. However, 110 documents (4.7% of 2337 documents) do not contain search keywords: "endangered plant" or "rare plant" in their title, abstract, or author keywords. Using improve search strategies as the search keywords used were: "endangered plant", "rare plant", "endangered plants", and "rare plants". [Extracted from the article]