BOS14/5-A - Male Fern - Spore Formation
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Dryopteris filix-mas, enlarged approximately 550 times (Sporangium) / 850 times (Spore tetrad and germinating), in SOMSO-Plast. After Prof. Dr. W. Weber. A sub-model shows a sporangium in the open position. In addition to this, a spore tetrad and a spore germinating into a prothallium are shown and enlarged to a greater extent. In one piece. On a stand with explanatory note on the base. Height: 30 cm., width: 18.5 cm., depth: 19 cm., weight: 950 g
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