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发表于2024-11-25
Fruit Key and Twig Key to Trees and Shrubs pdf epub mobi txt 電子書 下載 2024
One of the handiest and most widely used identification aids. Fruit key covers 120 deciduous and evergreen species; twig key covers 160 deciduous species. Easily used. Over 300 photographs. "Students in the field . . . can get accurate identifications faster with these guides than with any of the many teacher's mimeographed ones." -- "Phytologia."
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Fruit Key and Twig Key to Trees and Shrubs pdf epub mobi txt 電子書 下載 2024