Trichocereus andalgalensis

• Body: Described in the Cactus and Succulent Journal (US), Vol. 70, No. 1:32-39, James D. Mauseth & Roberto Kiesling.
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Trichocereus angelesii

• Body: Huntington Botanical Gardens specimen.
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Trichocereus arboricola 

• Body: Huntington Botanical Gardens specimen.
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Trichocereus atacamensis - (Helianthocereus atacamensis?)

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Trichocereus bridgesii

• Body: Forms a tall branching shrub, to 16' (5 m.) high. Pale green, partially frosted. Branches to 6” (15cm.). Not to be confused with Echinopsis bridgesii.
• Ribs: 4-8, rounded, later flatter; separated by broad but shallow intervals.
• Areoles/Spines: Large areoles, about .75” (2cm.) apart. Two to 6 dissimilar, yellowish spines, up to 4” (10cm.) long although shorter in cultivated plants.
• Flowers/Fruit: Flowers white, 7” (18cm.) long, flower-tube up to 2.4” (6cm.) long. Fruits oblong, 2.4” (6cm.) large.
• Distribution: La Paz, Bolivia