Mathias Schleiden concluded that all plant tissues are composed of cells. He proposed that the cell is the basic unit of structure in plants, similar to how animals are composed of cells. Schleiden's work laid the foundation for the cell theory in biology.
Mathias Schleiden discovered the plant cells in 1838
This was in 1838. See the related link for more information.
Theodore Schwann did not conclude all plants are made of cells. He concluded that all animals were made up of cells. However, Matthais Schlieden did conclude that all plants were made of cells. He concluded this in 1838.
1838
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Matthias Schleiden found out that all plants were made of cells in 1838.
Matthaias Schliden in 1838
Matthias Schleiden discovered that all plants are made of cells in 1838.
In 1838, German botanist Matthias Schieiden concluded that all plants came from cells.
Matthias Schleiden, a German botanist, applied the cell theory to plants in 1838. He proposed that plants are made up of cells and that these cells are the basic unit of structure and function in plants.
In 1838 Matthais Schleiden concluded that all plants are made up of cells!