cryptogamous การใช้
ประโยคมือถือ
- Cummings primarily studied cryptogamous ( spore-reproducing ) plants such as mosses and lichens.
- In 1881, while still in high school, he co-authored a book on the flora of Michigan titled " Cataloque of the Phaenogamous and Vascular Cryptogamous Plants of Michigan " with Charles F . Wheeler.