Biological peculiarities of Rhododendron L. seeds germination under the conditions of introduction von H. V. Tymchyshyn

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Seasonal growth rhythm of north-american Rhododendron L. species under the conditions of Lviv von H. V. Tymchyshyn

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Reproductive capacity of same representatives of Rhododendron L. genus von H. V. Tymchyshyn

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