A living guide to Kauaʻi

Fungi & Lichens of Kauaʻi

Explore the island’s native and introduced species, habitats, watersheds and conservation work. Each record connects its description, images and sources with the interactive Atlas.

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  Rapid ʻŌhiʻa Death wilt fungus

  Ceratocystis lukuohia

  Rapid ʻŌhiʻa Death wilt fungus is documented for Kauaʻi or tied to local survey work. Role: Vascular wilt pathogen of ʻōhiʻa. Associated habitat or substrate: ʻŌhiʻa sapwood and wounded tree tissue; infected forest environments.

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  Rapid ʻŌhiʻa Death canker fungus

  Ceratocystis huliohia

  Rapid ʻŌhiʻa Death canker fungus is documented for Kauaʻi or tied to local survey work. Role: Canker pathogen of ʻōhiʻa. Associated habitat or substrate: ʻŌhiʻa sapwood and wounded tree tissue; infected forest environments.

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  Root-rot / honey fungus

  Armillaria gallica

  Root-rot / honey fungus is documented for Kauaʻi or tied to local survey work. Role: Root-rot pathogen and wood decomposer. Associated habitat or substrate: Roots, wood and forest soil associated with susceptible trees.

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  Myrtle rust / guava rust / ʻōhiʻa rust

  Austropuccinia psidii

  Myrtle rust / guava rust / ʻōhiʻa rust is a Kauaʻi-relevant fungal record. Role: Rust pathogen of Myrtaceae. Associated habitat or substrate: Myrtaceae foliage, shoots, flowers and fruit.

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  Septoria leaf spot of banana poka

  Septoria passiflorae

  Septoria leaf spot of banana poka is documented for Kauaʻi or tied to local survey work. Role: Biocontrol pathogen targeting invasive banana poka. Associated habitat or substrate: Leaves of banana poka / Passiflora tarminiana in forest infe

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  Impatiens downy mildew

  Plasmopara obducens

  Impatiens downy mildew is documented for Kauaʻi or tied to local survey work. Role: Oomycete downy mildew pathogen. Associated habitat or substrate: Impatiens foliage in nurseries, home gardens, botanical parks and landscapes.

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  Endemic Hawaiian waxy cap

  Hygrocybe puaena

  Endemic Hawaiian waxy cap is documented for Kauaʻi or tied to local survey work. Role: Fruiting-body macrofungus; ecological role requires local specialist review. Associated habitat or substrate: Moist forest floor or mossy/organic substra

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  Small stalked fungus survey morphotype

  Gloiocephala sp.

  Small stalked fungus survey morphotype is documented for Kauaʻi or tied to local survey work. Role: Small saprotrophic fruiting body; local function unresolved. Associated habitat or substrate: Moist forest substrate; protected site general

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  Mixed fungal community

  Mixed fungal community is documented for Kauaʻi or tied to local survey work. Role: Decomposition, endophyte, lichen, pathogen and symbiotic functions co-occur. Associated habitat or substrate: Wet forest leaf litter, wood, bark, soil, moss

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  Crustose lichen

  Arthonia kauaiensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Buellia kauaiensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Orange crustose lichen

  Caloplaca kauaiensis

  Orange crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habit

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  Cladonia / cup lichen

  Cladonia kauaiensis

  Cladonia / cup lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habita

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  Gelatinous lichen

  Collema kauaiense

  Gelatinous lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or

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  Crustose lichen

  Lecanora kauaiensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Lecidea kauaiensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Rinodina kauaiensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Buellia hawaiiensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Bacidia sandwicensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Blastenia sandwicensis

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Crustose lichen

  Lopadium sandwicense

  Crustose lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or s

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  Lichenized fungus

  Leptotrema hawaiiense

  Lichenized fungus is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or

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  Lichenized fungus

  Lithothelium hawaiiense

  Lichenized fungus is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or

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  Gold-dust lichen

  Chrysothrix candelaris

  Gold-dust lichen is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habitat or

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  Pixie-cup lichen group

  Cladonia pyxidata

  Pixie-cup lichen group is a Hawaiian checklist record retained for Kauaʻi review. Role: Lichen symbiosis involving fungal partner plus photobiont; ecological role includes substrate colonization and microhabitat indication. Associated habit

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  Corticioid fungus

  Bourdotia aspera

  Corticioid fungus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Kīpuka corticioid fungus

  Bourdotia kipukaensis

  Kīpuka corticioid fungus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrat

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  Agaricus mushroom

  Agaricus arorae

  Agaricus mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Horse mushroom group

  Agaricus arvensis

  Horse mushroom group is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: S

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  Meadow mushroom group

  Agaricus campestris

  Meadow mushroom group is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate:

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  Hawaiian Agaricus

  Agaricus entibigae

  Hawaiian Agaricus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Hawaiian Agaricus

  Agaricus kai

  Hawaiian Agaricus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Kiawe-associated Agaricus

  Agaricus kiawetes

  Kiawe-associated Agaricus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substra

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  Kīpuka Agaricus

  Agaricus kipukae

  Kīpuka Agaricus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substr

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  Agaricus mushroom

  Agaricus lanatorubescens

  Agaricus mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Agaricus mushroom

  Agaricus rotalis

  Agaricus mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  False parasol

  Chlorophyllum molybdites

  False parasol is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substrat

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  Yellow houseplant mushroom

  Leucocoprinus birnbaumii

  Yellow houseplant mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substr

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  Fragile dapperling

  Leucocoprinus fragilissimus

  Fragile dapperling is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Sub

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  Lepiota mushroom

  Lepiota besseyi

  Lepiota mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subst

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  White dapperling

  Leucoagaricus leucothites

  White dapperling is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subst

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  Lactocollybia mushroom

  Lactocollybia epia

  Lactocollybia mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate:

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  Blue-staining Panaeolus

  Copelandia cyanescens

  Blue-staining Panaeolus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate

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  Tropical Panaeolus

  Copelandia tropicalis

  Tropical Panaeolus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Sub

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  Dung-associated Bolbitius

  Bolbitius coprophilus

  Dung-associated Bolbitius is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substra

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  Marbled Amanita

  Amanita marmorata

  Marbled Amanita is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substr

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  Fly agaric

  Amanita muscaria

  Fly agaric is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substrate a

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  Kīpuka pinkgill

  Entoloma kipukae

  Kīpuka pinkgill is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substr

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  Small pinkgill

  Entoloma nanosordidum

  Small pinkgill is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substra

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  Pinkgill

  Entoloma placidum

  Pinkgill is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substrate and

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  Pinkgill

  Entoloma purum

  Pinkgill is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Substrate and

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  Umbilicate pinkgill

  Entoloma umbiliciforme

  Umbilicate pinkgill is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Su

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  Nā Pali pouzaromyces

  Pouzaromyces napaliensis

  Nā Pali pouzaromyces is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: S

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  Hawaiian Rhodocybe

  Rhodocybe hawaiiensis

  Hawaiian Rhodocybe is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Sub

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  Menehune toughshank

  Gymnopus menehune

  Menehune toughshank is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Su

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  Gymnopus mushroom

  Gymnopus subpruinosus

  Gymnopus mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Hydropus mushroom

  Hydropus semimarginellus

  Hydropus mushroom is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: Subs

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  Hāpuʻu-associated marasmiellus

  Marasmiellus hapuuarum

  Hāpuʻu-associated marasmiellus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or su

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  Pacific marasmiellus

  Marasmiellus pacificus

  Pacific marasmiellus is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrate: S

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  Koa-associated Marasmius

  Marasmius koae

  Koa-associated Marasmius is a Hawaiian checklist record retained for Kauaʻi review. Role: Saprotroph, symbiont, mycorrhizal associate, decomposer or pathogen depending on species; role requires local evidence. Associated habitat or substrat