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Oenothera biennis (Evening primrose)
Sue Snell- Digital Images
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Oenothera biennis (Evening primrose)
Sue Snell- Digital Images
- Online
Oenothera biennis (Evening primrose)
Rowan McOnegal- Pictures
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Evening primrose (Oenothera biennis): flowering stem. Watercolour.
Reference: 21090i- Books
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Gruppenweise Artbildung unter spezieller Berücksichtigung der Gattung Oenothera.
Vries, Hugo de, 1848-1935.Date: 1913