Botany → Periodicals.

Plants → Poland → Periodicals.

Shrubs → Periodicals.

Shrubs → Poland → Periodicals.

Trees → Periodicals.

Trees → Poland → Periodicals.

Botany

Plants

Shrubs

Trees

Poland

Agriculture Sciences → Forestry

Agriculture Sciences → Horticulture and Plant Culture (including Arboriculture)

Life Sciences → Botany

Life Sciences → Taxonomy & Systematics