在我国分布的8属中,柳兰属(chamaenerion)与柳叶菜属(Epilobium),水龙属(Jussiaea)与丁香蓼属(Ludwigia)的分类问题,历来存在分歧.如1 753年Linnaeus仅记载有Epilobium属,
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热带和亚热带的一个陆生蕨类大属；有时归入水龙骨科。
Large genus of terrestrial ferns of tropics and subtropics; sometimes placed in family polypodiaceae.
此外，有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
该产品系新型自动节水龙头，其技术属世界首创，具有使用方便，节约用水，有效杜绝跑、冒、滴、漏的浪费现象及外观丰富等特点。
This product is a kind of new style faucet that can be used easy, save water, avoid flooding the room and have all kinds of styles. The technology keeps ahead in the world.
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