Biostatistical studies of Northeastern Portuguese populations of the Epipactis helleborine (L.) Crantz and E. tremolsii Pau species groups (Orchidaceae)
- Bernardos, S.
- Tyteca, D.
- Crespí, A.
- Amich, F.
ISSN: 1253-8078
Year of publication: 2004
Volume: 151
Issue: 1
Pages: 33-43
Type: Article