• iassuensis
• ignesiae

• ilseana

• imbricata => Excluded taxa
• imperialis
• imporaensis

• inanis => butzii
• Inca Gold => Kashkin
• incana Gillies ex Baker => capillaris
• incana Wawra => geminiflora var. incana
• incarnata
• incarnata var. margaritacea
• inconspicua => Racinaea inconspicua
• incurva => Vriesea incurva
• incurvata C. Wright => fendleri
• incurvata Baker => Vriesea incurvata
• indigofera
• inflata Mez => mooreana
• inflata Baker => Vriesea inflata
• ingens => Werauhia sanguinolenta
• inopinata
• insignis Matuda => beutelspacheri
• insignis L. B. Smith and Pittendr. => Werauhia insignis
• insularis => Racinaea insularis
• insularis var. insularis => Racinaea insularis
• insularis var. latilamina => Racinaea insularis var. latilamina
• intermedia
• interrupta
• intumescens => langlasseana
• intumescens var. brevilamina => langlasseana
• intumescens var. intumescens => langlasseana

• ionantha 'Albino'
• ionantha Colombia form
• ionantha 'Druid'
• ionantha f. fastigiata => ramireziana
• ionantha 'Fuego'
• ionantha Guatemala form
• ionantha 'Huamelula'
• ionantha var. ionantha => ionantha
• ionantha var. maxima
• ionantha Mexico form
• ionantha 'Peach'
• ionantha 'Peanuts' => ramireziana
• ionantha var. scaposa => scaposa
ionantha var. stricta
• ionantha 'Rosita' => ionantha var. stricta
• ionantha var. stricta f. fastigiata => ramireziana
• ionantha var. stricta 'Peanuts' => ramireziana
• ionantha var. stricta 'Zebrina'
• ionantha 'Rubra'
• ionantha var. vanhyningii
• ionantha 'Variegata'
• ionantha 'Zebrina' => ionantha var. stricta 'Zebrina'
• ionantha var. zebrina => ionantha var. stricta 'Zebrina'
• ionochroma

• itatiaiae => Vriesea itatiaiae
• itaubensis

• ixioides
• ixioides subsp. ixioides => ixioides
• ixioides var. occidentalis
• ixioides subsp. viridiflora

• izabalensis