International Depositary Authorities: Agricultural Research Service Culture Collection (NRRL) - Date status acquired: January 31, 1981 (see Budapest Notification No. 12 and No. 61) American Type Culture Collection (ATCC) - Date status acquired: January 31, 1981 (see Budapest Notification No. 11) Provasoli-Guillard National Center for Marine Algae and Microbiota - Date status acquired: April 26, 2013 (see Budapest Notification No. 293)
In Vitro International, Inc. (IVI) - Date status acquired: November 30, 1983. Withdrawal notified on June 25, 1991 with effect from September 25, 1991. (see Budapest Notification No. 99)