That doesn't appear to be phalaris. Which phalaris grasses are you seeking, exactly? And for which constituents are you planning to work with? DMT? 5-Meo-DMT? Arundinacea? Brachystachys? Aquatica? Grasses can be easily mistaken in the wild so do proceed with caution. Extraction is a lengthy process for phalaris projects. It might be worth considering that instead of harvesting wild grass - just grow your own. Seeds are not uncommon to find via the web.
'What's going to happen?' 'Something wonderful.'
Skip the manual, now, where's the master switch?
We are interstellar stardust, the re-dox co-factors of existence. Serve the sacred laws of the universe before your time comes to an end. Oh yes, you shall be rewarded.