Black Stem Rust

Puccinia graminis Pers.

Also called: Cereal Rust, Stem Rust

Edibility

Edibility unknown — do not eat

Never eat a wild mushroom based on this site or any app.

Photos

Lookalikes

No lookalikes are recorded for this species yet. That does not mean there are none. Many mushrooms look alike, so never rely on appearance alone.

Season

When this species has been recorded, by month, from open-licensed US and Canada observations. It shows when people report it, not a guarantee it is fruiting.

The highlighted bar is the current month.

View season data as a table
Recorded observations of Black Stem Rust by month
MonthRecords
January63
February62
March117
April167
May477
June1,359
July1,730
August1,841
September1,348
October1,031
November307
December89

Where it is found

States and provinces with the most records. Check the foraging rules for the place you plan to visit.

Show 45 more
  • Nebraska184 records
  • Iowa155 records
  • Montana149 records
  • Saskatchewan148 records
  • Indiana146 records
  • Texas128 records
  • Wyoming124 records
  • Quebec110 records
  • Washington105 records
  • West Virginia89 records
  • Virginia88 records
  • Oregon83 records
  • New Hampshire82 records
  • Maine80 records
  • Vermont73 records
  • Missouri64 records
  • British Columbia58 records
  • District of Columbia51 records
  • Nova Scotia44 records
  • Ohio43 records
  • New Mexico40 records
  • Maryland39 records
  • Rhode Island39 records
  • New Jersey36 records
  • Delaware32 records
  • Idaho26 records
  • New Brunswick23 records
  • Utah22 records
  • Alberta21 records
  • Florida21 records
  • Alabama20 records
  • Mississippi17 records
  • Oklahoma16 records
  • South Carolina16 records
  • North Carolina12 records
  • Louisiana10 records
  • Prince Edward Island8 records
  • Tennessee8 records
  • Georgia7 records
  • Alaska6 records
  • Arizona6 records
  • Kentucky6 records
  • Nevada4 records
  • Arkansas3 records
  • Newfoundland and Labrador1 records

All state and province foraging laws

About

Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease in cereal crops. Crop species that are affected by the disease include bread wheat, durum wheat, barley and triticale. These diseases have affected cereal farming throughout history. The annual recurrence of stem rust of wheat in North Indian plains was discovered by K. C. Mehta. Since the 1950s, wheat strains bred to be resistant to stem rust have become available. Fungicides effective against stem rust are available as well. In 1999 a new, more virulent race of stem rust was identified against which most current wheat strains show no resistance. The race was named TTKSK (e.g. isolate Ug99). An epidemic of stem rust on wheat caused by race TTKSK spread across Africa, Asia and the Middle East, causing major concern due to the large numbers of people dependent on wheat for sustenance, thus threatening global food security. An outbreak of another virulent race of stem rust, TTTTF, took place in Sicily in 2016, suggesting that the disease is returning to Europe. Comprehensive genomic analysis of Puccinia graminis, combined with plant pathology and climate data, has pointed out the potential of the re-emergence of stem wheat rust in UK.

From Wikipedia, CC BY-SA 4.0. Read the original article.

More in the genus Puccinia

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