Simplify the following text for a Grade 9 native English-speaking person.
Original: Flowering plants do not produce flagellate cells , but ferns , mosses , green algae , some gymnosperms and other closely related plants do . Likewise , most fungi do not produce cells with flagellae , but the primitive fungal chytrids do .
Simplified: Higher plants and fungi do not produce flagellate cells , but the closely related green algae and chytrids do .