Sigrid de Vries - Frensen:
Clematis 'Niobe'
Sigrid de Vries - Frensen:
Clematis 'Niobe'
Sigrid de Vries - Frensen:
Clematis 'Love Child'
Sigrid de Vries - Frensen:
Clematis 'Brunette'
Sigrid de Vries - Frensen:
Clematis alpina 'Willy'
Sigrid de Vries - Frensen:
Clematis 'My Angel'
Sigrid de Vries - Frensen:
Clematis viticella 'Little Nell'
Sigrid de Vries - Frensen:
Clematis viticella 'Little Nell'
Sigrid de Vries - Frensen:
Clematis 'Evisix' ('Petit Faucon')
Sigrid de Vries - Frensen:
Clematis viticella 'Södertälje'
Sigrid de Vries - Frensen:
Clematis jouiana 'Mrs. Robert Brydon'
Sigrid de Vries - Frensen:
Clematis 'Niobe'
Sigrid de Vries - Frensen:
Clematis viticella 'Black Prince'
Sigrid de Vries - Frensen:
Clematis 'Love Child'