Identification of grasses

Leaf sheath Definitely split Spht or entire Spht Entire at first, later spht Spht 

Blade Broad Narrow Narrow Broad Broad 

Lower side of blade Shiny Shiny Shiny Dull Dull 

Ligule Blunt Short and blunt Small, blunt, greenish-white Long and transparent Prominent and membranous 

Auricles Medium size and spreading Small, clasping the stem Small, narrow and spreading Absent Absent 

---

Corti, V, Cattaneo, A., Bachi, A., Rossi, R.E., Monasterolo, G., Paolucci, C., Burastero, S.E. and Alessio, M., Identification of grass pollen allergens by two-dimensional gel electrophoresis and serological screening. Proteomics, 5, 729-736 (2005). 

---