CCDBAngiospermsCompositaeHieraciumHieracium gracile Hook.

7 chromosome counts in Hieracium gracile Hook.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Hieracium gracile Hook. Hieracium triste Willd. ex Spreng.   18 Hieracium Kruckeberg 1967; Pojar 1973; Guppy 1978
!   Hieracium gracile Hook. Hieracium triste Willd. ex Spreng.   19 Hieracium Guppy 1978
  Hieracium gracile Hook. Hieracium triste Willd. ex Spreng.   18 IPCN online GUPPY, G. A. 1978. Species relationships of Hieracium (Asteraceae) in British Columbia. Canad. J. Bot. 56: 3008–3019.
  Hieracium gracile Hook. Hieracium triste Willd. ex Spreng.   19 IPCN online GUPPY, G. A. 1978. Species relationships of Hieracium (Asteraceae) in British Columbia. Canad. J. Bot. 56: 3008–3019.
  Hieracium gracile Hook. Hieracium triste Willd. ex Spreng. 9   IPCN67-71 KRUCKEBERG, A. R. 1967. A hybrid hawkweed from the Olympic Mountains of Washington. Madrano 19: 126-129.
  Hieracium gracile Hook. Hieracium triste Willd. ex Spreng. 9   IPCN73-74 POJAR, J. 1973. Levels of polyploidy in four vegetation types of southwestern British Columbia. Canad. J. Bot. 51: 621-628. I
  Hieracium gracile Hook. Hieracium triste Willd. ex Spreng.   18 Fedorov, 1974 Stebbins et al. 1953