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Before the Columbian exchange of crops between the Americas and the Old World, Colocasia esculenta (L.) Schott (taro, Araceae) was the world's most widespread food crop, grown in tropical to temperate

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We describe the types of polymerase chain reaction (PCR) markers that we have isolated using amplified fragment length polymorphisms (AFLP) in closely related taxa from diverse plant genera. With these markers, both inter- and intraspecific differences have been identified. The characterization of the nucleotide sequences and fragment length polymorphisms of such AFLP-derived PCR markers is promising for investigating the ecology and evolution of closely related plant taxa.

Lepidium sisymbrioides and L. solandri are considered to be "Acutely Threatened, Nationally Endangered" using the New Zealand threatened plant classification criteria. In this assessment both species are considered to be data poor. Further field survey for new populations is required.