Cinnabar Polypore Red Caps comes from the plant Cinnabar Polypore, which is a somewhat hard-to-find mushroom that primarily grows on the sides of trees in the West Weald region of Cyrodiil.
Clouded Funnel Caps comes from the plant Clouded Funnel Cap, which is a mushroom commonly found in high altitude regions and in the Blackwood region of Cyrodiil.
The coda flower is the fruiting body collected from the large primitive draggle-tail plant which grows in shallow swamp-water. They are most commonly found in the Bitter Coast region of Vvardenfell. Coda Flowers have an interesting property in that they glow in the dark. The plants actually emit light that illuminates things around them.
Columbine is a small plant with many drooping pink flowers that can be found all across Tamriel. It is a prized ingredient for many potions due to its effects.
†This is an ingredient for making beverages, not used in alchemy.
Comberries comes from the Comberry Plant, a bush that produces a bitter berry, best known as the basis of comberry brandy, a rough but potent alcoholic beverage of Morrowind. Comberry is commonly grown in the Ascadian Isles region of Vvardenfell
Corkbulb Roots comes from Corkbulb Trees which are grown for their tough, fibrous roots which have modest magical properties and can also be used to fashion arrows and bolts. It is rarely seen in the wild.. On Vvardenfell, corkbulb root is used in place of wood, since trees won't grow in the harsh environment. Corkbulb grows best in the Ascadian Isles.
Crimson Nirnroot is a special variant of nirnroot that can be found exclusively in Blackreach. Similar to regular nirnroot, the crimson variety makes a strange humming sound.