@article {linew,
	title = {New Observation of Megaspore Morphological Characteristics in Isoetes yunguiensis},
	journal = {Bulletin of Botanical Research},
	volume = {33},
	year = {2013},
	pages = {271-273},
	abstract = {<p>New megaspore morphological characteristics of the protected plant\&mdash;Isoetes yunguiensis were observed using scanning electron microscope (SEM). The result indicates: globular granule on megaspore surface; inapparent reticulate ornamentation; inapparent reticulate ornamentation with big size. Megaspore of the old ligulate heterosporophyte are easy to significantly change in size, ornamentaion and fissure.</p>
},
	keywords = {Isoetes yunguiensis, Megaspore, morphological characteristics},
	author = {LI, Xiao-Dong and SUN, Hao and ZHANG, Da-Wei and LIU, Bao-Dong}
}
