Unicellular thick walled tapering trichome observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories^[1]

Epidermis showing long thin stomata observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories^[2]

Triticum aestivum HPTLC ID - Vanillin/H2SO4 Reagent -> 110° C 5 min -> UV 365 nm

Wheat grass (grass) (Triticum aestivum)

Lane Assignments Lanes, from left to right (Track, Volume, Sample):

1. 3 μL Aescin~0.1% in CH3OH
2. 2 μL Triticum aestivum-1 (grass)
3. 4 μL Triticum aestivum-1 (grass)
4. 3 μL Triticum aestivum-2 (grass)
5. 3 μL Triticum aestivum-2 (grass)
6. 3 μL Triticum aestivum-3 (grass)
7. 3 μL Triticum aestivum-4 (grass)
8. 3 μL Aescin~0.1% in CH3OH

Reference materials used here have been authenticated by macroscopic, microscopic &/or TLC studies according to the reference source cited below held at Alkemists Laboratories, Costa Mesa, CA. 

Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates 

Mobile Phase chloroform: methanol: water [6.4/5/1] 

Sample Preparation Method 0.3 g + 3 ml CH3OH sonicated + heated @ 50° C ~ 1 hr 

Detection Method Vanillin/H2SO4 Reagent -> 110° C 5 min -> UV 365 nm 

Reference see Method Developed by Alkemists Laboratories

Source: Elan M. Sudberg, Alkemist Laboratories ^[3]