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Format: Index: Index to the Vascular Plant Type Collection of the United States National Arboretum
Compiled by James A. Mears
1985 78pp. 278x216mm clothbound
ISBN 0 930466 94 2
Media: 38 microfiche
Sources Covered: 1,700 plant types

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This collection contains significant historic specimens from all over the world including a number from Ferdinand Rugel and Isaac C. Martindale. The cultivar part of the collection consists of elite materials of clonotype ornamental plants.

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