Hey guys! I'm new here so let me know if this is helpful. I have compiled a list of which plants mutate to which plants.

viola cactus ball=jalapa tree or hibiscus tiered cactus
four petal maple=mela rare oak or cactusbali bamboo tree
lemon maranta=blackberry ananas or houstonia banana tree
green ivy lotus=goldenberries caladium or ? (i think only 1 mutation)
lime daffodil=black orchid or sunflower fern
redberries cactus=mela rare oak or hibiscus tiered cactus
daisy lemonbush=cactusbali bamboo tree or houstonia banana tree
blue flower lemongrass=goldenberries caladium or black orchid
blue rose rosebush=blackberry ananas or sunflower fern
houstonia banana tree=daisy lemonbush or lemon maranta
goldenberries caladium=green ivy lotus or blue flower lemongrass
sunflower fern=blue rose rosebush or lime daffodil
mela rare oak=redberries cactus or four petal maple
cactusbali bamboo tree=mela rare oak or four petal maple
black orchis=blue flower lemongrass or lime daffodil
hibiscus tiered cactus=viola cactus ball or redberries cactus
blackberry ananas=blue rose rosebush or lemon maranta
jalapa tree=viola cactus ball or arthurium tiger fern
tigerlily willow tree=white orchid pitcher or roseceae
arthurium tiger fern=jalapa tree or white orchid pitcher
tahitian ridged cactus=roseceae or ? (i think only 1 mutation)
roseceae=tigerlily willow tree or tahitian ridged cactus
white orchid pitcher=arthurium tiger fern or tigerlily willow tree