1. These data suggest the ligule and interradial multilamellate region appeared prior to heterospory.
这些资料表明叶舌和辐间的多层区似乎早于异孢性。

来自互联网

2. These data suggest the ligule and interradial multilamellate region appeared prior to heterospory.
这些资料表明叶舌和辐间的多层区似乎早于异孢性。

来自互联网