10 August 2026
The variety Istrianer is registered in official databases as existing, however, detailed agronomic descriptions, including data on plant height, maturity dates, or disease resistance, are absent in open sources.
This variety belongs to local forms selected in the process of folk breeding and is historically associated with the Istria region.
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Corylus avellana L. · Common hazel
WEISSMANN (FR)
Corylus avellana L. · Common hazel
Piemonte ASPROCOR S.C.C.A.P.A.
Corylus avellana L. · Common hazel
Corylus avellana L. · Common hazel
Corylus avellana L. · Common hazel
Corylus avellana L. · Common hazel
Nearby in the species list Impératrice Eugénie, IMPERIAL_DE_TRABIZONDE, Imperial de Trebizonde, Imperiale de Trapezunt, Impériale de Trebizonde, IMPERIALE DI TREBISONDA, Impertale de Trebizonde, Isajevskij, Istarski duguljasti, ISTARSKI_OKRUGLI, Istrische Runde, Istrska debeloplodna, Istrska dolgoplodna leska, Istrska okrogla, Istrska okrogloplodna leska, Ivantejevskij Krasnyj, Iwess Long Seedling, JEAN'S, Jedcor, Jefferson