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The Dryopteris spinulosa complex in Finland / by Carl-Johan Widén, Jaakko Sarvela and Teuvo Ahti.
- Format:
- Book
- Author/Creator:
- Widén, Carl-Johan.
- Sarvela, Jaakko, author.
- Ahti, Teuvo, 1934- author.
- Series:
- Acta botanica Fennica ; 77.
- Language:
- English
- Subjects (All):
- Dryopteris.
- Ferns--Finland.
- Ferns.
- Plant morphology.
- Finland.
- Physical Description:
- 24 pages : illustrations, maps. ; 26 cm.
- Place of Publication:
- Helsinki : Societas pro Fauna et Flora Fennica, 1967.
- Notes:
- Bibliography: pages 16-18.
- OCLC:
- 212718
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