ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 19, Issue 5,1999, Pages 103-106, doi:10.3321/j.issn:1000-4025.1999.05.019
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 19, Issue 5,1999, Pages 37-43, doi:10.3321/j.issn:1000-4025.1999.05.008
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 19, Issue 5,1999, Pages 59-66, doi:10.3321/j.issn:1000-4025.1999.05.011
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 19, Issue 5,1999, Pages 82-86, doi:10.3321/j.issn:1000-4025.1999.05.015
ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA, Volume 19, Issue 5,1999, Pages 9-13, doi:10.3321/j.issn:1000-4025.1999.05.003