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Edibility
Inedible
Lookalike Danger
1 / 5
Habitat
🌳 Cedar elm
Season
Oct – Apr🌱 Now
"One of the rarest mushrooms on Earth — only in central Texas and Japan. Opens with an audible hiss."
🌳 Host Trees & Plants
This species is found with or partners with the following hosts. Ectomycorrhizal hosts (green border) form a root-level partnership; ericoid / arbutoid shrubs (purple border) share the same mycorrhizal networks.
Elm
Ulmus americana
Saprobic substrate
Morel indicator (dying elms). Elm oyster host.
Extremely rare cigar-shaped fungus that splits into a star when mature. Known ONLY from central Texas and Japan — one of the most geographically improbable distributions in the fungal kingdom. Whistles audibly when releasing spores.
Habitat
Rotting cedar elm roots in central Texas; also reported in southern Japan. Fall through winter.
Look for this on the ground
Mixed conifer duff
Layered pine and fir needles, assorted cones, dry needle mat.
Season Windows by Region
Region
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Glacier / Flathead NF
MT · 3,500–8,500 ft
Bitterroot / Sapphire
MT · 3,500–9,000 ft
Helena / Big Belts
MT · 4,000–8,500 ft
Gallatin / Madison
MT · 5,500–10,500 ft
Beartooth / Absaroka
MT · 5,000–12,000 ft
Sawtooth / Stanley Basin
ID · 6,000–10,500 ft
White Mountains / Apache-Sitgreaves
AZ · 6,500–11,400 ft
Clear Creek Canyon / Mayhem Gulch
5,500–8,500 ft
Jones Pass Road
8,000–11,000 ft
Gordon Gulch / Nederland
7,000–9,000 ft
Kenosha Pass
8,000–10,500 ft
Guanella Pass Corridor
9,000–12,000 ft
Vasquez Creek / Winter Park
8,500–11,000 ft
Gunnison NF North — Crested Butte
8,500–12,000 ft
Gunnison NF South — Almont/Pitkin
8,000–11,000 ft
Cottonwood Pass
9,000–12,000 ft
San Juan NF — Pagosa Corridor
7,500–11,000 ft
Ruby Mountains
NV · 6,000–11,387 ft
Spring Mountains / Mt Charleston
NV · 6,000–11,916 ft
Jarbidge Wilderness
NV · 6,500–10,839 ft
San Juan NF — Silverton/Durango
8,000–12,000 ft
Grand Mesa
9,000–11,000 ft
Glenwood Canyon / White River NF
6,500–9,500 ft
Vail / Eagle County
8,000–11,000 ft
Steamboat / Routt NF
7,000–10,000 ft
Pike NF South / Tarryall
7,500–10,500 ft
Royal Gorge / Wet Mountains
6,500–9,500 ft
Leadville / Arkansas Headwaters
9,000–12,000 ft
Poudre Canyon / Roosevelt NF
6,500–10,000 ft
Rampart Range / Palmer Divide
7,000–9,500 ft
Clearwater Mountains
ID · 2,500–7,500 ft
Boise Mountains
ID · 4,000–9,500 ft
Salmon River / Lemhi
ID · 4,500–10,000 ft
Sun Valley / Wood River
ID · 5,500–10,500 ft
Bighorn Mountains
WY · 5,500–13,000 ft
Bridger-Teton / Tetons
WY · 6,000–13,500 ft
Wind River Range
WY · 7,000–13,800 ft
Absaroka / Shoshone NF
WY · 6,000–12,500 ft
North Cascades
WA · 1,500–8,000 ft
Central Cascades / Snoqualmie
WA · 1,500–7,000 ft
Olympic Peninsula
WA · 500–6,000 ft
Gifford Pinchot / South Cascades
WA · 1,000–8,000 ft
Okanogan Highlands
WA · 2,500–7,500 ft
Mt Hood / North Oregon Cascades
OR · 2,000–8,000 ft
Central Oregon / Deschutes
OR · 3,500–9,000 ft
South Cascades / Klamath
OR · 4,000–9,000 ft
Wallowa Mountains
OR · 3,500–9,500 ft
Blue Mountains
OR · 4,000–8,000 ft
Wasatch Mountains
UT · 5,500–11,500 ft
Uinta Mountains
UT · 7,000–13,500 ft
Manti-La Sal
UT · 6,000–12,700 ft
Sangre de Cristo / Carson NF
NM · 7,000–13,100 ft
Jemez / Santa Fe NF
NM · 6,500–11,200 ft
Santa Fe / Pecos Wilderness
NM · 7,000–12,600 ft
Gila NF / Black Range
NM · 5,500–10,800 ft
Coconino / Flagstaff
AZ · 6,500–10,000 ft
Kaibab Plateau / North Rim
AZ · 6,500–9,200 ft
Northern Sierra / Tahoe
CA · 5,000–9,000 ft
Central Sierra / Alpine
CA · 6,000–11,000 ft
South Sierra / El Dorado
CA · 5,000–9,500 ft
Northeast CA / Modoc-Lassen
CA · 4,500–8,500 ft
Snake Range / Great Basin
NV · 6,000–13,063 ft
Ozark Highlands
MO · 800–1,772 ft
Missouri River Valley
MO · 500–1,200 ft
Mark Twain National Forest
MO · 600–1,600 ft
Northeast Missouri Prairies
MO · 600–1,000 ft
Daniel Boone NF
KY · 700–2,700 ft
Land Between the Lakes
KY · 350–750 ft
Shawnee NF
IL · 350–1,065 ft
Central IL Prairies
IL · 450–850 ft
NW IL Driftless
IL · 600–1,200 ft
Hoosier NF / Brown County
IN · 500–1,050 ft
Central IN
IN · 650–1,050 ft
NE Indiana
IN · 750–1,100 ft
Hocking Hills
OH · 650–1,150 ft
Wayne NF
OH · 600–1,400 ft
NE Ohio
OH · 650–1,350 ft
SW Michigan
MI · 580–1,000 ft
Central MI
MI · 700–1,400 ft
Northern Lower Peninsula
MI · 600–1,700 ft
Upper Peninsula
MI · 600–1,979 ft
WI Driftless Area
WI · 650–1,700 ft
Central WI
WI · 750–1,400 ft
Northern WI
WI · 1,000–1,950 ft
Eastern IA River Valleys
IA · 550–1,100 ft
Southern IA
IA · 700–1,300 ft
SE MN Driftless
MN · 650–1,350 ft
Central MN
MN · 900–1,500 ft
Monongahela National Forest
WV · 1,500–4,863 ft
New River Gorge
WV · 800–3,200 ft
Shenandoah / Blue Ridge
VA · 1,000–4,049 ft
Southwest Virginia Highlands
VA · 2,000–5,729 ft
Central PA Ridges
PA · 800–2,500 ft
Allegheny National Forest
PA · 1,000–2,300 ft
Pocono Mountains
PA · 800–2,200 ft
Catskills / Hudson Valley
NY · 400–4,180 ft
Finger Lakes / Central NY
NY · 500–2,000 ft
Great Smoky Mountains
TN · 900–6,643 ft
Cumberland Plateau
TN · 1,000–3,500 ft
Western NC Mountains
NC · 2,000–6,684 ft
Foothills / Piedmont Transition
NC · 800–2,500 ft
Chattahoochee National Forest
GA · 1,200–4,784 ft
Apalachicola National Forest
FL · 10–300 ft
Ocala National Forest
FL · 20–200 ft
Myakka / Southwest Florida
FL · 5–100 ft
Acadia / Down East
ME · 0–1,530 ft
Western Maine
ME · 400–4,170 ft
Northern Maine
ME · 500–5,267 ft
White Mountains
NH · 800–6,288 ft
Lakes Region / Southern NH
NH · 300–1,800 ft
Green Mountains
VT · 800–4,393 ft
Northeast Kingdom
VT · 600–3,300 ft
Berkshires / Western MA
MA · 500–3,491 ft
Northwest CT Hills
CT · 400–2,380 ft
Arcadia / South County
RI · 0–812 ft
Eastern Kansas River Valleys
KS · 750–1,200 ft
NE Kansas Woodlands
KS · 800–1,300 ft
Willamette Valley / Columbia Gorge
OR · 200–1,500 ft
Turtle Mountain SF
ND · 1,800–2,400 ft
Pembina Gorge
ND · 850–1,500 ft
Black Hills NF
SD · 3,200–7,242 ft
Custer NF / Slim Buttes
SD · 3,000–4,000 ft
Pine Ridge / Oglala NG
NE · 3,400–5,000 ft
Niobrara River Valley
NE · 1,900–2,700 ft
Ouachita NF (OK)
OK · 600–2,500 ft
Ozark Plateau (NE OK)
OK · 700–1,800 ft
Wichita Mountains
OK · 1,200–2,479 ft
Sam Houston NF
TX · 80–350 ft
Big Thicket
TX · 50–400 ft
Davy Crockett NF
TX · 200–500 ft
Hill Country
TX · 1,000–2,500 ft
Ozark NF
AR · 700–2,700 ft
Ouachita NF (AR)
AR · 600–2,700 ft
Buffalo National River
AR · 500–2,500 ft
Bankhead NF
AL · 600–1,100 ft
Talladega NF
AL · 700–2,407 ft
De Soto NF
MS · 100–400 ft
Kisatchie NF
LA · 80–400 ft
Sumter NF (Andrew Pickens)
SC · 800–3,500 ft
Francis Marion NF
SC · 10–100 ft
Western MD / Catoctin
MD · 700–3,360 ft
White Clay Creek
DE · 100–350 ft
NW NJ / High Point
NJ · 400–1,803 ft
Flint Hills
KS · 1,000–1,600 ft
Superior NF / BWCA
MN · 1,300–2,301 ft
Chippewa NF
MN · 1,200–1,500 ft
Loess Hills
IA · 1,000–1,500 ft
NE Iowa Driftless / Effigy Mounds
IA · 650–1,250 ft
Uwharrie NF
NC · 400–1,100 ft
Croatan NF
NC · 0–150 ft
George Washington NF
VA · 1,000–4,397 ft
Oconee NF / GA Piedmont
GA · 400–800 ft
Holly Springs NF
MS · 300–600 ft
Atchafalaya Basin
LA · 5–50 ft
Adirondacks
NY · 1,000–5,344 ft
Laurel Highlands
PA · 1,200–3,213 ft
Cherokee NF
TN · 1,000–6,285 ft
Conecuh NF
AL · 200–400 ft
Mobile-Tensaw Delta
AL · 0–50 ft
Tombigbee NF
MS · 300–700 ft
Congaree NP
SC · 100–200 ft
Okefenokee / SE GA
GA · 100–200 ft
Blackwater / FL Panhandle
FL · 50–300 ft
MN North Shore / Sawtooth
MN · 600–2,301 ft
Oak Openings / NW Ohio
OH · 620–720 ft
NJ Pine Barrens
NJ · 0–200 ft
Eastern NE / Missouri Bluffs
NE · 900–1,350 ft
SE South Dakota / Newton Hills
SD · 1,300–1,550 ft
Sheyenne NG Oak Savanna
ND · 1,000–1,350 ft
Minnesota River Valley
MN · 800–1,150 ft
Osage Hills / Cross Timbers
OK · 700–1,250 ft
Smoky Hills / Wilson Lake
KS · 1,500–1,950 ft
Cape Cod National Seashore
MA · 0–306 ft
Pachaug SF / Eastern CT
CT · 200–500 ft
Trap Pond / DE Bald Cypress
DE · 20–80 ft
Pocomoke / Eastern Shore
MD · 0–50 ft
Great Swamp / Central RI
RI · 10–120 ft
Coal River / Southern WV
WV · 800–3,200 ft
Mon NF South / Cranberry Wilderness
WV · 2,500–4,863 ft
Cumberland Gap / SE KY
KY · 1,200–2,700 ft
Western KY / Pennyrile
KY · 350–700 ft
Big South Fork / NE TN
TN · 1,000–1,900 ft
Nantahala NF / Western NC
NC · 2,000–5,500 ft
Catskills North / Mountain Lakes
NY · 800–4,000 ft
Western NY / Allegany SP
NY · 1,500–2,300 ft
Pine Creek / North-Central PA
PA · 1,000–2,300 ft
Hiawatha NF / Eastern UP
MI · 600–1,100 ft
Huron NF / Lower MI
MI · 600–1,200 ft
Chequamegon NF / NW WI
WI · 1,000–1,900 ft
Black River SF / Driftless WI North
WI · 750–1,400 ft
Mid-Coast Maine
ME · 0–800 ft
Connecticut River Valley / NH
NH · 300–1,500 ft
Cross Timbers / LBJ National Grassland
TX · 700–1,200 ft
Lost Pines / Bastrop
TX · 300–700 ft
Coastal Bend / Lake Corpus Christi
TX · 50–400 ft
Arbuckle Mountains / Chickasaw
OK · 700–1,400 ft
Red Hills / Gyp Hills
KS · 1,500–2,200 ft
Nebraska NF / Bessey (Sandhills)
NE · 2,500–3,200 ft
Mount Blue Sky / Echo Lake
9,000–11,700 ft
Growing Requirements
Min Soil Temp
55°F
Moisture Need
rain 0.5in 7d
Drought Tolerance
moderate
Elevation Range
0–13,800 ft
Look-Alikes
Species to rule out before picking. Each is tagged with its own edibility.
No close lookalikes
None
Identification Tips
- ✓Do NOT pick — report sightings to local mycological societies
- ✓Truly rare — conservation-listed
Field Notes
Cedar elm
Found Devil's Cigar?
Photograph it and log your observation on iNaturalist. The community can help confirm your ID — always get confirmation before eating.
Safety: Never eat any wild mushroom without 100% certain identification from multiple sources. This page is for informational purposes only. When in doubt, throw it out.