Russula olivacea

{{Short description|Species of fungus}}

{{Speciesbox

| image = Russula.olivacea.-.lindsey.jpg

| image_caption =

| genus = Russula

| species = olivacea

| authority = (Schaeff.) Fr. 1838

}}

Russula olivacea is an edible and non-poisonous Russula mushroom found mostly in groups from June in deciduous and coniferous forests, mainly under spruce and beech; not rare.

==Description==

The cap is convex when young, soon flat, yellowish-olive when young which develops into rusty brown; it ranges from {{convert|10-30|cm|abbr=on}} in diameter.{{Cite book|last1=Davis|first1=R. Michael|url=https://www.worldcat.org/oclc/797915861|title=Field Guide to Mushrooms of Western North America|last2=Sommer|first2=Robert|last3=Menge|first3=John A.|publisher=University of California Press|year=2012|isbn=978-0-520-95360-4|location=Berkeley|pages=111–112|oclc=797915861}}

The gills are cream, deep ochre when old and rather crowded and brittle. The spores are yellow. The stem is strong and evenly thick, often pale pink; it ranges from {{cvt|7-18|cm}} long and {{cvt|2-6|cm|1}} wide.

The flesh is firm, white, with a pleasant or innocuous scent, and has a mild or nutty taste. Some say it is edible{{cite book |last=Phillips |first=Roger |title=Mushrooms and Other Fungi of North America |year=2010 |origyear=2005 |publisher=Firefly Books |location=Buffalo, NY |isbn=978-1-55407-651-2 |page=138}} and other say it is toxic,{{cite book |vauthors=Eyssartier G, Roux P |title=Le guide des champignons France et Europe |year=2017 |publisher=Belin |isbn=978-2-410-01042-8 |page=218}} perhaps causing gastrointestinal upset.