seed plants flora的用法和樣例：
例句
- In seed plant flora, the floristic composition is dominated by the temperate elements, which have tight relation to tropic elements.
種子植物區系以溫帶成分占優(yōu)勢，與熱帶成分有緊密的聯(lián)系。 - Finally, the origin, evolution and development of the Sichuan spermatophyte flora were discussed, and its floristic regionalization was summarized.
最后，深入討論了四川種子植物區系的起源演化與發(fā)展，并對四川種子植物區系進(jìn)行了分區。
