荷叶蕨，又称对开蕨、心愿蕨、心愿叶，是铁角蕨科对开蕨属中型土生蕨。株高约60CM，叶形奇特
对于荷叶铁线蕨生长条件的研究也多停留在定性分析上。
The lotus leaf fern Adiantum growth conditions of the study also stay in more qualitative analysis.
荷叶铁线蕨不同位点的异交率在同一居群内的变化很大，而不同居群间的同一酶位点的异交率差异也是较大的。
X. Lin has great change in the same population, and the outcrossing rate difference of the same enzyme locus is also high in the different population.
本试验以荷叶铁线蕨为材料，通过对生态学及遗传学等方面的研究，了解其濒危的可能机制。
The experiment uses adiantum reniforme l. var. sinense y. x. lin as material to understand its mating system through the research of ecology and genetics.
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