tall grass: Imperata cylindrica and Imperata exaltata

Zorc 1969

spear grass; cogon; a species of erect grass 30-80 cm. high with solid slender stems and long linear leaves used for roofing: Imperata cylindrica

Mintz and Britanico 1985

a cogon grass with white, silky inflorescence: Imperata cylindrica

Reid 1976, Reid p.c.

cogon grass, Imperata cylindrica and Imperata exaltata (used for roofing houses)

Headland and Headland 1974

Imperata cylindrica and Imperata exaltata, a tall, tough grass, with solid, slender stems, somewhat like bamboo; this grass, together with #taláhib (Saccharum spontaneum) moves into deforested areas and takes possession after the area is burnt; the leaves are used for thatching and the stems for various handicrafts

Wolff 1972

cogon grass: Imperata cylindrica 〈Linn.〉 Beauv.

Conklin 1953, Reid p.c.

cogon grass, Imperata cylindrica (young shoots can be eaten cooked; the roots, which contain starch and sugars, are easy to chew; the sikpot flowers are eaten by children; used also in certain areas for roofing)

Ballard 2011

a coarse spear grass, Imperata exaltata, commonly called cogon grass; used for roof thatch

Batad

Lambrecht 1978

a species of tall grass

Panganiban 1966

cogon grass, a tall wild grass used for roofing: Imperata cylindrica

Awed, Underwood and van Wynen 2004