Yes.
Any grass plant would have weak stems because they are not woody. However, "cow grass" does not exist rendering this question moot.
The answer is straw. ( :
Bamboo, is considered a grass.
The example are:potato,strawberries,grass and the kind of shrubs
leaves,grass,stems of corns,twigs etc.
leaves,grass,stems of corns,twigs etc.
Mud,grass,weed stems,
Citronella plant has red or purple stems where as lemon grass has green stems. Citronella is toxic to animals.
it dosent have roots, stems, or leaves so it NOT a vascular plant. YOUR WELCOME
The mountain Zebra eats leaves, grass, bark, roots, and stems. This makes them herbivores.
Bamboo.