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A revision of Trichantha (Gesneriaceae)
A revision of Trichantha (Gesneriaceae)
By Morton, Conrad Vernon
Species of Columnea and Trichantha in cultivation in the Montreal Botanical Garden
Species of Columnea and Trichantha in cultivation in the Montreal Botanical Garden
By Louis-Marcel Raymond
Species of Columnea and Trichantha in cultivation in the Montreal Botanical Garden
Species of Columnea and Trichantha in cultivation in the Montreal Botanical Garden
By Marcel F. Raymond