Correspondence - Herbaria. Etc. 1981→'85; Kobayasi, Ryvarden - Parmasto/Raitvirr - Ainsworth; Zang Mu, Wong - Thiereb-1972 - Walden; S.J. Gould-1985., May 1972 – June 1985, https://huntbot.org/hibdarc/collections/296/296_Lowy_Bx2FF25_r.pdf. Hunt Institute for Botanical Documentation Archives. https://as.huntbot.org/repositories/2/digital_objects/3931 Accessed June 19, 2026.