孓遗种 relic species 物种 [生物学] species; speci-◇物种起源 origin of species; 物种起源学说 theory of origin of speci ..
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geographical relic species 地理孑遗种
plant relic species 植物残遗种
animal relic species 动物残遗种
relic endemic species 残存固有种
relic c species 残遗种
Inner Mongolia West Erdos Steppefied desert region is situated on the rim of ancient Mediterranean sea, many ancient relic species in the desert form the main part of flora of the region.
内蒙古西鄂尔多斯草原化荒漠区位于古地中海边缘，荒漠成分中的多种古老残遗物种明显地构成了本地区植物区系的主体。
参考来源 - 内蒙古西鄂尔多斯古老残遗物种生活史适应机制的比较研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Many ancient relic species centrally distributed in the area, most of them were the constructive or dominant species of desert community, their existence played an import.
该地区集中分布着一批古老残遗物种，这些物种大多为群落的建群种或优势种，对维持草原化荒漠区脆弱的生态系统具有重要作用。
There are 41 species of relic plants and 52 species of Chinese endemic plants.
特有性强，共有52种中国特有植物； 起源古老，有41种古老孑遗植物；
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