The form of the plant
| Tree | An upright perennial woody plant having a main trunk and branches. |
| Shrub | A woody perennial plant of relatively low height, having several stems arising from the base and lacking a single trunk; a bush. |
| Forb | i.e. wildflowers; A non-woody plant other than a grass, sedge, rush,fern |
| Grass | Any of various plants in the grass family; typically having slender leaves. |
| Sedge | Any of numerous grasslike plants of the family Cyperaceae. |
| Vine | A plant that climbs, twines, or creeps along a surface. |