Lectotype is

What is Lectotype?

A taxonomist found a new plant. He used lectotype for the identification of the new plant. Why did he used lectotype?

A 'type' is one particular specimen (or a group of specimens) of an organism to which the scientific name of that organism is formally attached. Match colum I (type) with colum II (description) and select the correct option from the codes given below. {:(,"Colum I",,"Column II"),(A.,"Holotype",(i),"A specimen cited with original description other than the holotype or isotype"),(B.,"Isotype",(ii),"A duplicate of the holotype"),(C.,"Paratype",(iii),"A specimen designated in the original designated in the original description"),(D.,"Lectotype",(iv),"A specimen selected from original material to serve as nomenclatural type when the holotype was not designated"):}

A 'type' is one particular specimen (or a group of specimens) of an organism to which the scientific name of that organism is formally attached. Match colum I (type) with colum II (description) and select the correct option from the codes given below. {:(,"Colum I",,"Column II"),(A.,"Holotype",(i),"A specimen cited with original description other than the holotype or isotype"),(B.,"Isotype",(ii),"A duplicate of the holotype"),(C.,"Paratype",(iii),"A specimen designated in the original designated in the original description"),(D.,"Lectotype",(iv),"A specimen selected from original material to serve as nomenclatural type when the holotype was not designated"):}

A 'type' is one particular specimen (or a group of specimens) of an organism to which the scientific name of that organism is formally attached. Match colum I (type) with colum II (description) and select the correct option from the codes given below. {:(,"Colum I",,"Column II"),(A.,"Holotype",(i),"A specimen cited with original description other than the holotype or isotype"),(B.,"Isotype",(ii),"A duplicate of the holotype"),(C.,"Paratype",(iii),"A specimen designated in the original designated in the original description"),(D.,"Lectotype",(iv),"A specimen selected from original material to serve as nomenclatural type when the holotype was not designated"):}

The specimen selected to serve as holotype when the holotype, lectotype or neotypes are ambiguous