Plants don't have four distinct layers of cells like some animals do. Instead, they have various types of tissues organized into different parts, each with its own specific functions.

Here's a simplified breakdown of the major tissue types in plants:

* Dermal tissue: This is the outer layer of the plant, like the skin. It includes the epidermis (the outermost layer) and sometimes a periderm (which forms in woody plants). The epidermis protects the plant, controls gas exchange, and absorbs water (in roots).

* Vascular tissue: This is like the plant's circulatory system. It includes the xylem (which transports water and minerals from roots to leaves) and the phloem (which carries sugars produced by photosynthesis from leaves to other parts of the plant).

* Ground tissue: This makes up the bulk of the plant and includes cells for storage, photosynthesis, and support. It can be further divided into:

* Parenchyma: For storage and photosynthesis

* Collenchyma: Provides support and flexibility

* Sclerenchyma: Provides structural support and rigidity

While these are the major categories, plant tissues are more complex and vary depending on the plant type, its age, and the specific part of the plant you are looking at.

Let me know if you'd like to learn more about a specific type of plant tissue!