Editing Trillium (section)

===North America===

More than three dozen ''Trillium'' species are found in North America,<ref name="FNA 133668" /> most of which are native to eastern North America. Just six species are native to western North America: ''T.&nbsp;albidum'', ''T.&nbsp;angustipetalum'', ''T.&nbsp;chloropetalum'', ''T.&nbsp;kurabayashii'', ''T.&nbsp;ovatum'', and ''T.&nbsp;petiolatum''. Of these, only ''T.&nbsp;ovatum'' is pedicellate-flowered.

====Canada====

''Trillium'' species are found across [[Canada]], from Newfoundland to southern British Columbia. The greatest diversity of species are found in Ontario, Quebec, and Nova Scotia.<ref name="FNA 133668" />

{{div col}}
* [[Alberta]]: ''T.&nbsp;ovatum'', ''T.&nbsp;scouleri''
* [[British Columbia]]: ''T.&nbsp;hibbersonii'', ''T.&nbsp;ovatum'', ''T.&nbsp;scouleri''
* [[Manitoba]]: ''T.&nbsp;cernuum''
* [[New Brunswick]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;undulatum''
* [[Newfoundland (island)|Newfoundland]]: ''T.&nbsp;cernuum''
* [[Northwest Territories]]: none
* [[Nova Scotia]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Nunavut]]: none
* [[Ontario]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Prince Edward Island]]: ''T.&nbsp;cernuum'', ''T.&nbsp;undulatum''
* [[Quebec]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Saskatchewan]]: ''T.&nbsp;cernuum''
* [[Yukon]]: none
{{div col end}}

====United States====

Except for the desert regions of the [[southwestern United States]], ''Trillium'' species are found throughout the [[Contiguous United States|contiguous U.S.]] states. In the [[western United States]], species are found from Washington to central California, east to the [[Rocky Mountains]]. In the [[eastern United States]], species range from Maine to northern Florida, west to the [[Mississippi River]] valley. ''Trillium'' species are especially diverse in the [[southeastern United States]], in Georgia, Tennessee, Alabama, North Carolina, and South Carolina.<ref name="FNA 133668" /> The state of Georgia is home to 21&nbsp;species of trillium.

{{div col}}
* [[Alabama]]:{{sfnp|Spaulding|Kartesz|Horne|Finzel|2021|pp=24-59}} ''T.&nbsp;catesbaei'', ''T.&nbsp;cuneatum'', ''T.&nbsp;decipiens'', ''T.&nbsp;decumbens'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;lancifolium'', ''T.&nbsp;luteum'', ''T.&nbsp;maculatum'', ''T.&nbsp;pusillum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;reliquum'', ''T.&nbsp;rugelii'', ''T.&nbsp;sessile'', ''T.&nbsp;stamineum'', ''T.&nbsp;sulcatum'', ''T.&nbsp;underwoodii'', ''T.&nbsp;vaseyi''
* [[Alaska]]: none
* [[Arizona]]: none
* [[Arkansas]]: ''T.&nbsp;flexipes'', ''T.&nbsp;pusillum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile'', ''T.&nbsp;texanum'', ''T.&nbsp;viridescens''
* [[California]]: ''T.&nbsp;albidum'', ''T.&nbsp;angustipetalum'', ''T.&nbsp;chloropetalum'', ''T.&nbsp;kurabayashii'', ''T.&nbsp;ovatum''
* [[Colorado]]: ''T.&nbsp;ovatum'', ''T.&nbsp;scouleri''
* [[Connecticut]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Delaware]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum''
* [[Washington, D.C.|District of Columbia]]:{{r|Shetler and Orli 2002}} ''T.&nbsp;grandiflorum'', ''T.&nbsp;luteum'', ''T.&nbsp;sessile''
* [[Florida]]: ''T.&nbsp;decipiens'', ''T.&nbsp;lancifolium'', ''T.&nbsp;maculatum'', ''T.&nbsp;underwoodii''
* [[Georgia (U.S. state)|Georgia]]: ''T.&nbsp;catesbaei'', ''T.&nbsp;cuneatum'', ''T.&nbsp;decipiens'', ''T.&nbsp;decumbens'', ''T.&nbsp;delicatum'', ''T.&nbsp;discolor'', ''T.&nbsp;erectum'', ''T.&nbsp;georgianum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;lancifolium'', ''T.&nbsp;luteum'', ''T.&nbsp;maculatum'', ''T.&nbsp;persistens'', ''T.&nbsp;reliquum'', ''T.&nbsp;rugelii'', ''T.&nbsp;simile'', ''T.&nbsp;sulcatum'', ''T.&nbsp;underwoodii'', ''T.&nbsp;undulatum'', ''T.&nbsp;vaseyi''
* [[Hawaii]]: none
* [[Idaho]]: ''T.&nbsp;ovatum'', ''T.&nbsp;petiolatum'', ''T.&nbsp;scouleri''
* [[Illinois]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile'', ''T.&nbsp;viride''
* [[Indiana]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile''
* [[Iowa]]: ''T.&nbsp;cernuum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;recurvatum''
* [[Kansas]]: ''T.&nbsp;sessile'', ''T.&nbsp;viridescens''
* [[Kentucky]]: ''T.&nbsp;cuneatum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;luteum'', ''T.&nbsp;nivale'', ''T.&nbsp;pusillum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile'', ''T.&nbsp;sulcatum'', ''T.&nbsp;undulatum''
* [[Louisiana]]: ''T.&nbsp;foetidissimum'', ''T.&nbsp;gracile'', ''T.&nbsp;ludovicianum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;texanum''
* [[Maine]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Maryland]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;pusillum'', ''T.&nbsp;sessile'', ''T.&nbsp;undulatum''
* [[Massachusetts]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Michigan]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile'', ''T.&nbsp;undulatum''
* [[Minnesota]]: ''T.&nbsp;cernuum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale''
* [[Mississippi]]: ''T.&nbsp;cuneatum'', ''T.&nbsp;foetidissimum'', ''T.&nbsp;ludovicianum'', ''T.&nbsp;pusillum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;stamineum''
* [[Missouri]]: ''T.&nbsp;flexipes'', ''T.&nbsp;nivale'', ''T.&nbsp;pusillum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile'', ''T.&nbsp;viride'', ''T.&nbsp;viridescens''
* [[Montana]]: ''T.&nbsp;ovatum'', ''T.&nbsp;scouleri''
* [[Nebraska]]: ''T.&nbsp;nivale''
* [[Nevada]]: none
* [[New Hampshire]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[New Jersey]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[New Mexico]]: none
* [[New York (state)|New York]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;sessile'', ''T.&nbsp;undulatum''
* [[North Carolina]]: ''T.&nbsp;catesbaei'', ''T.&nbsp;cuneatum'', ''T.&nbsp;discolor'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;luteum'', ''T.&nbsp;pusillum'', ''T.&nbsp;rugelii'', ''T.&nbsp;sessile'', ''T.&nbsp;simile'', ''T.&nbsp;sulcatum'', ''T.&nbsp;undulatum'', ''T.&nbsp;vaseyi''
* [[North Dakota]]: ''T.&nbsp;cernuum''
* [[Ohio]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;recurvatum'', ''T.&nbsp;sessile'', ''T.&nbsp;undulatum''
* [[Oklahoma]]: ''T.&nbsp;pusillum'', ''T.&nbsp;sessile'', ''T.&nbsp;viridescens''
* [[Oregon]]: ''T.&nbsp;albidum'', ''T.&nbsp;kurabayashii'', ''T.&nbsp;ovatum'', ''T.&nbsp;petiolatum''
* [[Pennsylvania]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;sessile'', ''T.&nbsp;undulatum''
* [[Rhode Island]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;undulatum''
* [[South Carolina]]: ''T.&nbsp;catesbaei'', ''T.&nbsp;cuneatum'', ''T.&nbsp;discolor'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;lancifolium'', ''T.&nbsp;maculatum'', ''T.&nbsp;oostingii'', ''T.&nbsp;persistens'', ''T.&nbsp;pusillum'', ''T.&nbsp;reliquum'', ''T.&nbsp;rugelii'', ''T.&nbsp;undulatum'', ''T.&nbsp;vaseyi''
* [[South Dakota]]: ''T.&nbsp;cernuum'', ''T.&nbsp;flexipes'', ''T.&nbsp;nivale''
* [[Tennessee]]: ''T.&nbsp;catesbaei'', ''T.&nbsp;cuneatum'', ''T.&nbsp;decumbens'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;lancifolium'', ''T.&nbsp;luteum'', ''T.&nbsp;pusillum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;rugelii'', ''T.&nbsp;sessile'', ''T.&nbsp;simile'', ''T.&nbsp;stamineum'', ''T.&nbsp;sulcatum'', ''T.&nbsp;tennesseense'', ''T.&nbsp;undulatum'', ''T.&nbsp;vaseyi''
* [[Texas]]: ''T.&nbsp;gracile'', ''T.&nbsp;ludovicianum'', ''T.&nbsp;recurvatum'', ''T.&nbsp;texanum'', ''T.&nbsp;viridescens''
* [[Utah]]: none
* [[Vermont]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;undulatum''
* [[Virginia]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;pusillum'', ''T.&nbsp;sessile'', ''T.&nbsp;sulcatum'', ''T.&nbsp;undulatum''
* [[Washington (state)|Washington]]: ''T.&nbsp;albidum'', ''T.&nbsp;ovatum'', ''T.&nbsp;petiolatum'', ''T.&nbsp;scouleri''
* [[West Virginia]]: ''T.&nbsp;cernuum'', ''T.&nbsp;erectum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;pusillum'', ''T.&nbsp;sessile'', ''T.&nbsp;sulcatum'', ''T.&nbsp;undulatum''
* [[Wisconsin]]: ''T.&nbsp;cernuum'', ''T.&nbsp;flexipes'', ''T.&nbsp;grandiflorum'', ''T.&nbsp;nivale'', ''T.&nbsp;recurvatum''
* [[Wyoming]]: ''T.&nbsp;ovatum'', ''T.&nbsp;scouleri''
{{div col end}}

====Other====

* [[Saint Pierre and Miquelon]]: ''T.&nbsp;cernuum''