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  1. By: I︠A︡kovlev, G. P. (Gennadiĭ Pavlovich)
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 51
    Issue: 1
    Date: 1970
    Page Range: 129--131
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  2. By: I︠A︡kovlev, G. P. (Gennadiĭ Pavlovich) - Yatsenko-Khmélévsky, A A - Zoubkova, I G
    Type: Article
    In: Adansonia
    Volume: 8
    Issue: 3
    Date: 1968
    Page Range: 317--335
    Publication Info: Paris Muséum d'histoire naturelle, Laboratoire de Phanérogamie 1961-1981
  3. By: I︠A︡kovlev, G. P. (Gennadiĭ Pavlovich)
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 52
    Issue: 4
    Date: 1971
    Page Range: 691--694
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-