The scientific or taxonomic name of the sunflower would be Helianthus annuus.
The scientific or taxonomic name of the stiff sunflower would be Helianthus rigidus (also called Helianthus pauciflorus).
The scientific or taxonomic name would be Helianthus nuttallii ssp. rydbergii.
The scientific or taxonomic name would be Amorpha canescens.
The scientific or taxonomic name would be Aesculus pavia.
The scientific or taxonomic name would be Euphorbia lathyris.
The scientific or taxonomic name would be Rhoeo spathacea.
The scientific or taxonomic name would be Tolmiea menziesii.
The scientific or taxonomic name would be Tolmiea menziesii.
The scientific or taxonomic name would be Nicandra physalodes.
The scientific or taxonomic name would be Sansevieria trifasciata.
The scientific or taxonomic name would be Agave spp.
The scientific or taxonomic name would be Acalypha hispida.