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Gunnison's mariposa lily

Calochortus gunnisonii · Liliaceae · all Calochortus records

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Separate evidence questions, never one approval badge

Set a ZIP to compare this record with state distribution, native range, USDA hardiness, and invasive records.

A genus split is not a placement verdict. Set a ZIP to read the local documented split.

1. Fire evidence and conditions

Fire evidence
Fire-resistant — location does not change the cited classification.
Fire-performance conditions
No test or rating condition is normalized.
Fire ecology context
No section-reviewed fire-ecology context is normalized.
Placement evidence
2 source placement records; source schemes remain separate.
Evidence regions
Colorado / Rocky Mountain Front Range; Fremont County, Wyoming; Oregon (Willamette Valley)
Maintenance
No sourced horticultural maintenance assertion is normalized; fire-test conditions do not supply maintenance advice.
Typed publication scope: 3 scopes across 3 cited fire sources
  • Ignition-Resistant Landscape Plants (Fact Sheet 6.305) · Official scoped edition
    • CO; partial normalized coverage · 2025-07-01

      Colorado State University Extension and the Colorado State Forest Service publish Fact Sheet 6.305 for Colorado's WUI and varied ecosystems. FireApproved exposes all 114 exact source owners at Colorado publication scope while retaining score, elevation, water, and Idaho-carrier lineage. Publication scope is not suitability for every Colorado site or zone.

  • Fremont County Firewise Plant List · Official scoped edition
    • Fremont County (WY footprint); partial normalized coverage · 2011-02-25

      The source identifies itself as the Fremont County Firewise Plant List. FireApproved publishes its 92 exact source owners as Fremont County regional context. No methodology, current county endorsement, statewide Wyoming scope, or site-specific suitability is inferred.

  • Fire-resistant Landscape Plants for the Willamette Valley (EM 9103) · Official scoped edition
    • Willamette Valley (OR footprint); partial normalized coverage · 2015-02-01

      OSU Extension says EM 9103 highlights fire-resistant plants that thrive under Willamette Valley growing conditions. FireApproved publishes 172 exact owners only as valley context. The guide shares the PNW 590 lineage and is not a second independent vote or statewide site clearance.

2. Why this plant is relevant here

State distribution
Documented in AZ, CO, MT, NE, NM, SD, UT, WY.
Native range
Current cited native range in AZ, CO, MT, NM, SD, UT, WY.
Introduced / established
No introduced or established row is normalized; that does not prove native status.
USDA hardiness
No hardiness value is normalized.

3. Legal, ecological, and broader status

Legal-list status
Set a location for an exact legal-list result; source silence is not clearance.
Seed-list status
Set a location to compare the separate state noxious-weed seed layer.
Reported invasive here
No ecological invasive report is normalized; that does not prove noninvasiveness.
Broader regional context
Aggregate AK, HI, and L48 evidence is shown only as regional context, never as an exact-state finding.
Federal context
Federal designations remain separate from state legal-list results.
How to read this page

The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.

Gunnison's mariposa lily (Calochortus gunnisonii)
Photo: no rights reserved (CC0), via iNaturalist. Species-typical, not necessarily this cultivar.
Form
perennial
Water need
high
Current cited native range
AZ, CO, MT, NM, SD, UT, WY
Grows in
AZ, CO, MT, NE, NM, SD, UT, WY
Rated in
Colorado / Rocky Mountain Front Range; Fremont County, Wyoming; Oregon (Willamette Valley)
Family
Liliaceae
Evidence
3 cited sources

Native and introduced range evidence

These are exact U.S. botanical-area records from the cited range source. Native and introduced describe biogeographic relationship, not fire performance or planting approval. Doubtful and extinct rows stay visible but do not count as current presence.

Current native

7

exact source areas

Current introduced

0

exact source areas

Qualified

0

doubtful or extinct source rows

7 native source areas · World Checklist of Vascular Plants, version 16 v16, as of 2026-06-04
  • Arizona (AZ)
  • Colorado (CO)
  • Montana (MT)
  • New Mexico (NM)
  • South Dakota (SD)
  • Utah (UT)
  • Wyoming (WY)

The lossless worldwide derivative is retained once in the research corpus; object pages repeat only exact U.S. areas needed by the local lens. The JSON twin carries the same page assertions.

Where its sources say to plant it

Placement rules below use each source's own distances or named zones, tied to its rating. They are not interchangeable with the directory's current Zone 0 guidance.

The evidence

Grouped by what each source concluded. Primary evidence rated the plant itself (a lab, field program, or original curation); corroboration compiled or republished another source's rating and resolves to its root lineage.

Recommends (3)

Same genus in the directory · the Calochortus group page

Last verified 2026-08-23. JSON (CC BY 4.0)

Profiles: USDA PLANTS · GBIF · iNaturalist · Wikidata · ITIS

Calochortus gunnisonii (Gunnison's mariposa lily). FireApproved. https://fireapproved.com/plants/calochortus-gunnisonii/. Last verified 2026-08-23.