Spirit Bloom
From Destinypedia, the Destiny wiki
"Shavings from flower shaped crystals with pharmaceutical and chemical applications." -In Game Description
Spirit Bloom is a material that can be found on Venus, by either finding it attached to plant leaves, or by finding it in Loot Chests. Spirit Bloom looks like a glowing green orb with three balls of green light inside. 50 Spirit Bloom can be exchanged with Roni 55-30, The Vanguard Quartermaster, for Glimmer, Vanguard Marks, and Vanguard Honor. Each exchange will give you +25 Vanguard Reputation and 5 Vanguard Marks. Roni 55-30 can be found at the Tower in the Tower Hangar. Spirit Bloom is also required in upgrading "The Stranger's Rifle."