| 单词 | Fraxinus excelsior |
| 例句 | Referred to as the common or European ash, the tree - the UK's only native ash species - is scientifically known as Fraxinus excelsior. Certain landscapes show resistance to ash dieback 2020-05-07T04:00:00Z The difference is so striking and affords such a reliable feature that Koch proposed to make two distinct varieties of them, calling the pure type Fraxinus excelsior monophylla, and the varying trees F. excelsior exheterophylla. Species and Varieties, Their Origin by Mutation |
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