P. Cubensis “Yak Yak” Swab Pack


To ensure the cleanest possible products, all of our Yak Yak spore swabs are made and packaged in front of Laminar Flow Hoods with HEPA filters (99.97% efficiency rating). The spore swabs are made by swabbing the spores directly and resealing the swabs in sterile packaging.


P. Cubensis “Yak Yak” Spore Swab Pack


When buying Yak Yak (Cubensis) spores, be aware that they’re considered “active spores” which are for microscopy purposes only. DO NOT CONTACT US ABOUT ANYTHING REGARDING CULTIVATING OR GERMINATING YAK YAK SWABS.

Shipping is unavailable to California, Idaho, & Georgia. These 3 states strictly prohibit the possession of spores from psilocybin and psilocin producing mushroom species. Orders to these states are refused and voided. Any payments made for orders to CA, ID, or GA will incur a $5 cancellation fee. 

The provided images are for informational and educational purposes only and are used as a reference point only. Sonoran Spores acquires all spores and photos from outside, trusted sources in a legal manner. We do not condone or participate in the cultivation of psilocybin or psilocin producing mushroom species. 

When you buy P. Cubensis Yak Yak swabs, spore visibility is dependent on the characteristics of the spores themselves. As a result, not all spore swabs will look the same visibly. Despite any visible differences, they’re still viable for microscopy research.

Yak Yak Strain Origin Features

Yak Yak is a newer strain that we are excited to be carrying! This new mushroom strain is distinguished with white long stems that are also decently thick leading to its cap. Its cap is round throughout and hardly opens up to expose its gills. Even as it matures the cap only hardly opens and barely deposits spores. Meaning that this strain is not the best spore depositor and swabs are the most practical way to obtain them. The colors of the cap are a brown in the center and fading to a yellow/orangish color as it leads to the edges. These spores are for more dedicated microscopist with some time and experience under the microscope looking to reach the next level. Finding these spores will be difficult anywhere else so place your order and be one of the first to study it!

We strive to provide you with the cleanest possible products. We make and package all of the Yak Yak spore swabs in front of Laminar Flow Hoods with HEPA filters. These HEPA filters have an efficiency rating of 99.97%. Meaning that the filter removes 99.97% of particles in the air. 

  • Ships next business day
  • Discreet packaging
  • Spore swabs remain viable for a few years
  • Store spore swabs in the fridge or a cool, dry place
  • Do not freeze

Microscopic Features

Yak Yak Spores are dark purple to brownish. The spores are also subellipsoid (ellipse) shaped and they are present on 4-spored basidia. The caps are 30-50mm in diameter with a convex to little conic shape. Prints are generally not dropped from the cap and they are generally poor spore providers. 

Yak Yak Swab Pack Contents

When you buy Yak Yak spore swabs each spore swab pack will come with:

  • two sterile swabs of “Yak Yak”
  • 1 microscope glass slide (1 per order, while supplies last)
  • 1 microscope glass cover slip (1 per order, while supplies last)
  • and 1 sticker (1 per order)

Additional information

Research Difficulty



Extremely Light Depositor Mushrooms that typically have problems with producing spores, either because of genetic lineage or species variability. Typically these mushrooms produces spores on 50 percent or less of fully mature fruits and rarely drop them from the gills.


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