. bao hu sheng wu xue. botany. #ã%ãã--ã å¾3-4å°è´¨åå²æ¶ææµ·æ´æ èæ¤å¨ç©ç©ç§å¤æ ·æ§ååï¼Sepkoski 1984) 700 600- 500- ç© ç§ 400 æ° ç® 300 200 100 0 ï¼:'ï¼æè±æ¤ç© ^裸å-æ¤ç© ç»è¨ç±»æ¤ç©. 421408 360 286 248 213 144 ç¾ä¸å¹´ 65 å¾3-5å°è´¨åå²æ¶æéçæ¤ç©ç©ç§å¤æ ·æ§ååï¼Signor 1990) ç®çæ°ç®. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original jiang zhi gang ma ke ping han xing guo. zhe jiang ke xue ji shu chu ban she

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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany