Species and varieties

Unpublished materialb.d.w

[Autor nieustalony, Species and varieties, b.d.w]

Material from Konrad Szychowski's private archive covers species and varieties in a historical comparison. Document date remains undetermined.

GenusAstrophytum

Bibliographic details and access scope

Data according to the source used. Author unknown. n.d. indicates that the publication date has not been confirmed.

Copy in the supplied material

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