The article presents a scientometric analysis of documentary arrays selected of the world science citation databases Scopus and Web of Science on the topic “Plant flow cytometry”. The analysis of documentary arrays shows their positive dynamics and especially active growth currently. It names countries and organizations actively carrying on research in the area, and leading in the publication amount; rating journals with high publication activity, authors who work productively on the topic. The paper reveals thematic structure of the studied corpus of documents and highly cited publications.