Moss Gametophyte Anatomy

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How to Use This Diagram

Explore Mode — Hover over any numbered marker or label to see a description of that structure and its function in the moss plant.

Quiz Mode — Click "Quiz" to test your knowledge. Read the hint, then click the correct marker on the diagram. Your score is tracked.

Edit Mode — Add ?edit=true to the URL to drag markers and calibrate positions. Click "Copy JSON" to export updated coordinates.

Labeled Structures

1. Rhizoids — Thread-like anchorage filaments at the base (not true roots)
2. Stem (Caulid) — Central axis providing structural support, no vascular tissue
3. Leaves (Phyllids) — Photosynthetic structures, often just one cell thick
4. Costa (Midrib) — Thickened central vein providing leaf support
5. Leaf Cross-Section — Magnified view showing single-cell thickness
6. Central Strand — Stem cross-section showing primitive conducting cells
7. Substrate — Rock or soil surface colonized by the moss