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Atchafalaya Basin Foraging Conditions — ForageIQ

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Atchafalaya Basin

5–50 ft · LA🚗 Directions

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Atchafalaya Basin — largest river swamp in North America, 1.4 million acres of bottomland hardwoods and cypress-tupelo swamp between the Mississippi and the Atchafalaya rivers. Water oak, overcup oak, bald cypress, water tupelo, and swamp red maple. Sherburne WMA, Indian Bayou, and Lake Fausse Pointe SP for access. Exceptional oyster mushroom production year-round on hardwood snags; chicken-of-the-woods on water oak; chanterelles on high ground in summer.

Trees:Water Oak Bald Cypress American Elm

Updated Aug 27, 4:19 AM MT

AI Conditions Report

AI-generated · verify in field

# Atchafalaya Basin — S Tier | August 27, 2026 **Why S Tier:** Soil at 84.7°F with sustained moisture (0.22 VWC) across a full two-week window creates the rare convergence needed for explosive fruiting across the entire seasonal spectrum. This basin is firing on all cylinders—no drought stress, no thermal ceiling, zero limiting factors. **Viable Species:** Forget selectivity. Your edibles (oysters, chanterelles, chicken of the woods, hedgehog, wine caps, shaggy manes, giant puffballs) are all primed. Your medicinals (turkey tail, artist's conk, birch polypore, tinder fungus) are framing perfectly. Your toxic lookalikes (destroying angels, death caps, deadly galerina) are equally abundant—ID discipline is non-negotiable in this flush. **The Limiting Factor:** None exists. That's both the gift and the trap. Moisture and heat alignment this tight won't hold past early September; the Basin's late-summer humidity window is closing fast. **Watch Ahead:** Monitor for the first temperature drop below 75°F at soil level—that's your signal the window contracts. Also watch rain: even light precipitation will extend the flush another 10–14 days. **Hot tip:** Hit the cypress-tupelo transition zones at dawn; fruiting bodies there fruit 24–48 hours ahead of open areas due to canopy-moderated soil temps.

Generated by Claude (Anthropic) from the structured weather, soil, and phenology data on this page. The LLM can misread edge cases — treat this as a starting hypothesis, not a guarantee. Always verify conditions on the ground before committing to a long drive.

Foraging Potential95/100

✅Moisture

✅Soil Temp

✅No Freeze

✅No Drought

Precip 7d

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Nearby Camping

Within(0)

No campgrounds within 10 mi. Try widening the radius.

⚠ Road Access Notice

Always verify road access is public before following GPS directions to mountain areas. Many forest roads are seasonal, gated, or require 4WD. Dispersed camping follows USFS/BLM rules (typically 14-day limit). Check ranger district offices for current road and campground conditions.

Viable Species

Confidence × Primordia state

HIGHPrimed

Oyster MushroomPleurotus ostreatus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

ChanterelleCantharellus cibarius

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Chicken of the WoodsLaetiporus sulphureus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Death CapAmanita phalloides

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Destroying AngelAmanita bisporigera

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Hedgehog MushroomHydnum repandum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Shaggy ManeCoprinus comatus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Wine CapStropharia rugosoannulata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Giant PuffballCalvatia gigantea

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Beefsteak PolyporeFistulina hepatica

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Turkey TailTrametes versicolor

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Witch's ButterTremella mesenterica

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Jack-o-LanternOmphalotus olearius

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

EarthstarGeastrum triplex

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Aspen BoleteLeccinum insigne

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Indigo Milk CapLactarius indigo

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Bear's Head ToothHericium americanum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Crown-Tipped CoralArtomyces pyxidatus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Jelly EarAuricularia auricula-judae

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Deadly GalerinaGalerina marginata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Orange Peel FungusAleuria aurantia

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Dead Man's FingersXylaria polymorpha

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Parasol MushroomMacrolepiota procera

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Shaggy ParasolChlorophyllum rhacodes

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Fairy Ring ChampignonMarasmius oreades

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Meadow MushroomAgaricus campestris

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Artist's ConkGanoderma applanatum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Birch PolyporeFomitopsis betulina

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Tinder FungusFomes fomentarius

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Bird's Nest FungusCyathus striatus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Cinnabar ChanterelleCantharellus cinnabarinus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Violet WebcapCortinarius violaceus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Violet CoralClavaria zollingeri

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Berkeley's PolyporeBondarzewia berkeleyi

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Red-Capped Scaber StalkLeccinum aurantiacum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Old Man of the WoodsStrobilomyces strobilaceus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Frost's BoleteBoletus frostii

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Horse MushroomAgaricus arvensis

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Pear-Shaped PuffballLycoperdon pyriforme

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Mica CapCoprinellus micaceus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Shrimp of the WoodsEntoloma abortivum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Two-Colored BoleteBoletus bicolor

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Smooth ChanterelleCantharellus lateritius

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

BlusherAmanita rubescens

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Caesar's AmanitaAmanita jacksonii

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Golden SpindlesClavulinopsis fusiformis

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Weeping Milk CapLactifluus volemus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Gem-Studded PuffballLycoperdon perlatum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Green-Gill LepiotaChlorophyllum molybdites

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Yellow PatchesAmanita flavoconia

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Poison PieHebeloma crustuliniforme

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

HuitlacocheUstilago maydis

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

CordycepsCordyceps militaris

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Bitter BoleteTylopilus felleus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Green Cracked RussulaRussula virescens

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Blackening RussulaRussula nigricans

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Peppery Milk CapLactarius piperatus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Oak Milk CapLactarius quietus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

GrisetteAmanita vaginata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Coker's AmanitaAmanita cokeri

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Alcohol InkyCoprinopsis atramentaria

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Fairy InkcapCoprinellus disseminatus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Magpie InkyCoprinopsis picacea

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Yellow-StainerAgaricus xanthodermus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Red-Belted ConkFomitopsis pinicola

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Thin-Walled Maze PolyporeDaedaleopsis confragosa

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Mossy Maze PolyporeCerrena unicolor

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

False Turkey TailStereum ostrea

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Coral ToothHericium coralloides

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Northern ToothClimacodon septentrionalis

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Eyelash CupScutellinia scutellata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Snow FungusTremella fuciformis

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Wood EarAuricularia americana

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Jelly AntlerCalocera viscosa

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Crested CoralClavulina cristata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Green ElfcupChlorociboria aeruginascens

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Ivory FunnelClitocybe dealbata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Angel WingsPleurocybella porrigens

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Aspen OysterPleurotus populinus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Wolf's Milk SlimeLycogala epidendrum

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Dog Vomit Slime MoldFuligo septica

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Fluted Bird's NestCrucibulum laeve

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Aniseed FunnelClitocybe odora

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

King Alfred's CakesDaldinia concentrica

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Parrot WaxcapGliophorus psittacinus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Dung Bird's NestCyathus stercoreus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Parasite BoletePseudoboletus parasiticus

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Rooted CollybiaXerula furfuracea

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Amethyst DeceiverLaccaria amethystina

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

The DeceiverLaccaria laccata

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Oak MazegillDaedalea quercina

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Golden TeacherPsilocybe cubensis

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Landslide MushroomPsilocybe caerulescens

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Ravenel's Stinkhorn

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

HIGHPrimed

Elegant StinkhornMutinus elegans

All conditions met (soil 85°F, sustained 7/7 days above threshold, today 0.22 VWC, 7d avg 0.21 — moisture sustained)

Primordia readiness: Cold = mycelium dormant. Activating = soil warming, primordia building. Primed = 5+ sustained warm days at species threshold; fruiting imminent if moisture cooperates. Based on Schmidt 1983 / Mihail 2007.