ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 21, Issue 6,2001, Pages 1241-1244, doi:10.3321/j.issn:1000-4025.2001.06.031
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 21, Issue 6,2001, Pages 1128-1133, doi:10.3321/j.issn:1000-4025.2001.06.010
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 21, Issue 6,2001, Pages 1134-1141, doi:10.3321/j.issn:1000-4025.2001.06.011
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 21, Issue 6,2001, Pages 1218-1222, doi:10.3321/j.issn:1000-4025.2001.06.026
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 21, Issue 6,2001, Pages 1070-1077, doi:10.3321/j.issn:1000-4025.2001.06.002