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bryophyte spores

dhaas at HUGO.FSUFAY.EDU dhaas at HUGO.FSUFAY.EDU
Sat Apr 9 15:31:54 EST 1994



Yo netters,

I've been taught and have taught that mosses and liverworts are homosporous,
however, many texts and even lab books show two kinds of gametophytes being
produced from two different spores. Does this mean that although the spores
look alike they are still different? Is this homospory or heterospory? What
is going on here? Are there two kinds of homospory where one spore produces
one gametophyte with both archegonia and antheridia and another where there
are two kinds of gametophytes? I know the plants couldn't care less!!  
                                                          
Can anyone answer this?

Thanks in advance,

================================================================================
Dave Haas                                  ()
Department of Natural Sciences            (())
Fayetteville State University            ((()))
Fayetteville NC, 28301    USA           (((())))
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