Ingrid Roth

Microscopic venation patterns of leaves and their importance in the distinction of (tropical) species

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Ingrid Roth Microscopic venation patterns of leaves and their importance in the distinction of (tropical) species

South American medicinal plants

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Ingrid Roth South American medicinal plants

Ethnobotany of South America

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Ingrid Roth Ethnobotany of South America

Leaf structure

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Ingrid Roth Leaf structure

Stratification of a tropical forest as seen in dispersal types

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Ingrid Roth Stratification of a tropical forest as seen in dispersal types

Stratification of tropical forests as seen in leaf structure

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Ingrid Roth Stratification of tropical forests as seen in leaf structure

Fruits of angiosperms

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Ingrid Roth Fruits of angiosperms

Structural patterns of tropical barks

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Ingrid Roth Structural patterns of tropical barks

Leaf structure of a Venezuelan cloud forest in relation to the microclimate

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Ingrid Roth Leaf structure of a Venezuelan cloud forest in relation to the microclimate

Leaf structure

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Ingrid Roth Leaf structure

Kunst als Tor zur Welt

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Ingrid Roth Kunst als Tor zur Welt

Der Kunstmaler Hans Roth (1876 - 1966) und seine Familiengeschichte

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Ingrid Roth Der Kunstmaler Hans Roth (1876 - 1966) und seine Familiengeschichte