At: Verbr. Mikrosk. Lebens Amerika, Berlin, Gedruckt in der Druckerei der Königliche Akademie der Wissenschaften By: Ehrenberg C. G.
journalAt: Botanicheskii Zhurnal, 96, 10 By: Pavlyutkin B. I.
journalAt: Documenta naturae, 13 By: Gregor H.-J.
journalAt: Trudy Sredneaziatskogo Gosudarstvennogo Universiteta, Series, 8b, Botanika, 28 By: Jarmolenko A. V.
journalAt: Izvestiya Glavnogo Geologo-Razvedochnogo Upravleniya, 1930, 49, 7 By: Palibin I. V.
journalAt: Trudy Imperatorskago S.-Peterburgskago Obshchestva Estestvoispytatelei, 35, 5 By: Smirnov N. N.
bookAt: Trudy Nauchn. Konf. Izuch. Osv. Proizv. Sil Sibiri, Tomsk, Krasnoe znamja, 2 By: Chachlov V. A.
journalAt: Izvestiya Sibirskogo otdeleniya Geologicheskogo Komiteta, 2, 5 By: Chachlov V. A.
journalAt: Byulleten' Kollektsionnogo fonda VNIGNI, 6 By: Archangelskaja А. D.
journalAt: Trudy Geologicheskogo Instituta Akademii Nauk SSSR, 1961, 54 By: Vachrameev V. A., Doludenko M. P.