The uniqueness of a grass beating the beauty of a butterfly

Hallo everyone, hopefully healthy and happy wherever located, work consistently and patiently then your success awaits you.
This nightly post features beautiful butterflies, but besides the appearance of butterflies but also a unique uniqueness found in this unique grass, this type of grass is commonly found but is rarely a concern.
This grass is unique with spines on all the stems, not yet known by the scientific name of this grass.
This grass height reaches 40 cm.