Type specimen of a new species has to be

Ravi has observed rhizome and circinate leaves in the given specimen. Which specimen he has observed ?

Every year new species have been dicovered. In the nature, the discovery of new species is possible from :-

Every year new species have been dicovered. In the nature, the discovery of new species is possible from :-

Every year new species have been dicovered. In the nature, the discovery of new species is possible from :-

Origin of new species and genera is

How are new species evolved?

The herbarium specimen, based on which, a new species is described for the first time, is called