18 in stock
Pine, Mature Pollen Grains
There are no reviews yet.
Your email address will not be published. Required fields are marked *
Your review *
Save my name, email, and website in this browser for the next time I comment.
C.s. in region of esophagus, selected to show hearts.
Cross section of older twig showing annual twigs and resin ducts. Pine has an endarch siponostele. B...
Portuguese Man of War tentacle. C.s. of tentacles to show batteries of nematocysts.
C.s For Study of general structure.