- 叶状体 yèzhuàngtǐ thallusA simple plant body without root, stem, or leaf differentiation, found in algae and mosses; also called [[叶状茎|葉狀莖|ye4 zhuang4 jing1]].
- 叶状植物 yèzhuàngzhíwù thallophyteA type of simple plant or organism from a primitive group that lacks a complex structure of roots, stems, or leaves, such as algae, fungi, and bacteria.
- 叶状茎 yèzhuàngjīng thallusa plant body that is not differentiated into stem and leaves and lacks true roots, such as in algae and mosses