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Species
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Liliopsida
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Liliales
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Melanthiaceae
Trillium
Genus · 7 species with a result in Ohio
snow trillium
Trillium nivale
· Flowering plants
Photo © Paul McAfee · CC BY-NC 4.0
Early March to mid-April, middle week Mar 22–28
toadshade
Trillium sessile
· Flowering plants
Photo © Cheryl Rosenfeld · CC BY-NC 4.0
Late March to early May, middle week Apr 19–25
drooping trillium
Trillium flexipes
· Flowering plants
Photo © Joseph D Kurtz · CC BY 4.0
Mid-April to mid-May, middle week Apr 26 – May 2
large white trillium
Trillium grandiflorum
· Flowering plants
Photo © sandy richard · CC BY-NC-SA 4.0
Mid-April to mid-May, middle week Apr 26 – May 2
Little Sweet Betsy
Trillium cuneatum
· Flowering plants
Photo © Jason Love · CC BY-NC 4.0
Late March to mid-May, middle week Apr 26 – May 2
red trillium
Trillium erectum
· Flowering plants
Photo © Douglas Goldman · CC BY-SA 4.0
Mid-April to early May, middle week Apr 26 – May 2
yellow wakerobin
Trillium luteum
· Flowering plants
Photo © northganaturalist · CC BY-NC 4.0
Mid-April to mid-May, middle week Apr 26 – May 2
Missing records do not mean a species is absent.