place_pub:Illinois Biological Monographs 2:491. 1916.; synonymy:= Appendiculella arecibensis (F. Stevens) Toro, Mycologia 17: 144. 1925. = Irene larviformis (Henn.) F. Stevens var. arecibensis (F. Stevens) F. Stevens, Annales Mycologici 25: 425. 1927.; occurrenceRemarks:Citation of the specimen in F. L. Stevens herbarium (ILL) as "type" by C. G. Hansford (1961: 513) is interpreted as lectotypification.