Sources to study systematics
A scholar of systemics has to take training for field study, obeying their rules. For this type of study specific needed instruments, chemical, etc. are essential during the study. In any situations live in entire fields. Specieman of plants or preservation methods of animal speciemens. Zoological parks, Museum, Botanical gardens, Herbaria, etc. are source of taxomical study. Apart from this speciemens, photograph or slides can be studied.