1．2杨属植被及小黑杨研究 杨树属于被子植物门（Angiosperms）双子叶植物纲（D记D砷杨柳科（Salicaceae）中 的杨属（Populus），杨属植物为落叶乔木，是世界上分布最广和适应性最强的树种，主...
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period of angiosperms 被子植物时代
Basal angiosperms 基部被子植物
pro-angiosperms 前被子植物
Marine angiosperms 海洋被子植物
Flowering plants Angiosperms 有花植物
Reproductive biology of angiosperms 被子植物生殖生物学
angiosperms E 被子植物
In section three the percentage of angiosperms is 29%~53%, gymnosperms is 22%~40%, the percentage of pteridophytes got higher in this section, average 11%, sometime up to 58%.
组合三被子植物粉略高或接近于裸子植物花粉的含量，一般为29％～53％，裸子植物花粉平均含量在22％～40％左右，蕨类植物孢子含量大增，最高可达58％，一般在11％左右。
参考来源 - 东北华北地区古近纪中晚期孢粉植物群及其古植被和古气候研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N any seed-bearing plant of the phylum Angiospermophyta (division Angiospermae in traditional systems), in which the ovules are enclosed in an ovary, which develops into the fruit after fertilization; any flowering plant 根肿病 → compare gymnosperm
Grasses are simple forms of angiosperms that bear their encapsulated seeds on long stalks.
草是被子植物的简单形态，种子被包裹在长茎上。
In a surprisingly short time, angiosperms filled many of the land areas on Hawaii that had been bare.
在很短的时间内，被子植物就覆盖了夏威夷许多原本光秃秃的土地。
Advance in polyembryonic seedling (PS) in angiosperms is summarized in the paper.
本文综述了被子植物多胚苗的研究进展。
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