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      "statement": "# Schleiden: plant tissues organized through cells\n\nArgued from botanical microscopy that cells are fundamental units in the formation and organization of plants.\n\n## Scientific scope\n\nThe target is the 1838 plant contribution. Its proposed mechanism of free cell formation was later rejected, and Schwann’s animal generalization is separate.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nMatthias Jakob Schleiden\n\nThe named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.\n\n\n\n## Original sources\n\n- [Schleiden, Contributions to Phytogenesis (English translation)](https://en.wikisource.org/wiki/Microscopical_Researches/Contributions_to_Phytogenesis)\n- [Marine Biological Laboratory: The theory of cells as basic units of life](https://www.mbl.edu/research/research-centers/eugene-bell-center/featured-projects/seeing-cells-exhibit/theory-cells-basic-units-life)\n",
      "summary": "Argued from botanical microscopy that cells are fundamental units in the formation and organization of plants.",
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    "title": "Schleiden: plant tissues organized through cells",
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