E-Flora BC: Electronic Atlas of the Flora of British Columbia

Hygrophorus eburneus (Fr.) Fr.
ivory waxy-cap

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #83901)

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Distribution of Hygrophorus eburneus
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Species Information

features include white, very slimy cap, decurrent white gills, and slimy white stem; a variety carneipes has been described with slightly flesh tint of gills and stem; Hygrophorus eburneus common, found BC, WA, OR, ID, Hesler(1) examined collections from BC, ON, QC, CA, ID, MA, MI, NC, OR, TN, WA, Belgium, Denmark, Netherlands, Switzerland
2-7(10)cm across, obtuse to convex becoming broadly umbonate to flat or uplifted, margin at first inrolled; "pure white or sometimes slightly yellowish in old age or occasionally with small pinkish spots"; extremely slimy or viscid when wet, (Arora), 2-7(10)cm across, obtuse to convex, then flat or umbonate, when old the margin sometimes elevated; pure white, drying whitish or yellowish; glutinous to viscid, bald or with white-shining silkiness, margin even and at first floccose-pubescent, (Hesler)
soft; white, (Arora), thick at center of cap, thin toward margin; white, (Hesler)
adnate to decurrent, well-spaced, thick, soft, waxy; "pure white to very slightly yellowish in old age", (Arora), somewhat arcuate [arched] at first, soon decurrent, subdistant to distant, moderately broad, broadest near stem; pure white, slightly yellowish or buff when old and when dried, (Hesler), thick but thin-edged, (Lincoff(2))
4-15(18)cm x 0.3-1(2)cm, equal or narrowing downward, usually rather slender; pure white, but sometimes discoloring slightly yellowish or pinkish when old; slimy-viscid when moist, smooth or with punctate top, (Arora), 4.5-15(18)cm x 0.2-0.8(1.5)cm, equal to narrowing somewhat downward, or with greatly narrowed almost vermiform [worm-like] base, flexuous [wavy], stuffed then hollow; pure white, at times becoming sordid when old; "glutinous, silky beneath the gluten, apex fibrillose, punctate or minutely squamulose", (Hesler), slightly twisted, (Phillips)
evanescent [fleeting], depositing slime on stem, (Arora)
mild (Arora, Hesler), faint but pleasant (Phillips), strong sage odor which lingers on the fingers (Lincoff(1))
mild (Hesler), mild but pleasant (Phillips), sage (Lincoff(1))
Microscopic spores:
spores 6-9 x 3.5-5 microns, elliptic, smooth, (Arora), spores 6-8(9) x 3.5-5 microns, elliptic, smooth, inamyloid; basidia 4-spored, 42-52 x 6-8 microns; pleurocystidia and cheilocystidia absent; gill tissue divergent; clamp connections present, (Hesler)
Spore deposit:
white (Arora)

Habitat / Range

scattered to gregarious or in tufts on ground under hardwoods or conifers, (Arora), on soil, "mostly in coniferous woods, thickets, and grassy areas", (Hesler), fall (Buczacki)

Synonyms and Alternate Names

Limacium eburneum (Fr.) P. Kumm.

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links


yes (Arora)

Additional Photo Sources

Related Databases

Species References

Hesler(1)*, Arora(1)*, Phillips(1)*, Lincoff(2)*, Lincoff(1)*, Trudell(4)*, Courtecuisse(1)*, Bessette(2)*, Stuntz(4), Breitenbach(3)*, Miller(14)*, AroraPocket*, Buczacki(1)*

References for the fungi

General References