Items where Author is "Helm, J"

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Publication

Helm, J. (1977) Apium graveolens L.: history of cultivation and taxonomy. [Publication]

Helm, J. (1956) Die zu Würz- und Speisezwecken kultivierten Arten der Gattung Allium L. [Publication]

This list was generated on Mon Dec 15 05:20:04 2025 CET.