No its not, you are wrong.
Grass is a seed which then produces a route system not rehzomes or bulbs.
Some grassy type bulbs such as nut grass, garlic and onion grass have tiny bulbs.
Your wrong and I am not arguing with an know it allots futile.Go 5 miles and get your snail mail and piss off a local.
Good bye
.
Enjoy your created confusion.
.