Botany: General

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microsporangium

A Dictionary of Plant Sciences | 1998 | | Copyright

microsporangium A sporangium (e.g. in heterosporous (see HETEROSPORY) ferns and the clubmoss Selaginella) that produces numerous minute spores which germinate to produce only male gametophytes. Those pteridophytes that produce them also produce megasporangia containing few (often only 1–4) large spores; these spores germinate to produce the female gametophytes.

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MICHAEL ALLABY. "microsporangium." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "microsporangium." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O7-microsporangium.html

MICHAEL ALLABY. "microsporangium." A Dictionary of Plant Sciences. 1998. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-microsporangium.html

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microsporangium

A Dictionary of Biology | 2004 | Copyright

microsporangium See sporangium.

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"microsporangium." A Dictionary of Biology. 2004. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

"microsporangium." A Dictionary of Biology. 2004. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O6-microsporangium.html

"microsporangium." A Dictionary of Biology. 2004. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-microsporangium.html

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microsporangium

A Dictionary of Earth Sciences | 1999 | | Copyright

microsporangium See SPORE.

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AILSA ALLABY and MICHAEL ALLABY. "microsporangium." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "microsporangium." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O13-microsporangium.html

AILSA ALLABY and MICHAEL ALLABY. "microsporangium." A Dictionary of Earth Sciences. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-microsporangium.html

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