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Late Oyster
Late Oyster
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Late Oyster

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Any orders containing Active Spores wherein the delivery state is California, Georgia, or Idaho will be immediately canceled. These orders will be subject to a 50% restocking fee and forfeiture of shipping fees.

Panellus serotinus 

Panellus serotinus, commonly known as the late oyster, is a species of fungus in the family Mycenaceae. Fruit bodies grow as overlapping fan- or oyster-shaped caps on the wood of both coniferous and deciduous trees. The gills on the underside are closely spaced, bright orange yellow, and have an adnate attachment to the stipe. It produces a yellow spore print; spores are smooth, amyloid, and measure 4–6 by 1–2 µm.

The caps are edible, but some people report the taste to be bitter—a factor that may depend on the host tree on which it is found. In Japan, where it is called Mukitake, it is considered "one of the most delicious edible mushrooms", and a system has recently been developed to cultivate the mushroom in plastic greenhouses.

Some guidebooks list this mushroom as inedible.

This product comes in three different styles:

Agar Wedge

A single wedge of agar in an eppendorf tube, sealed with parafilm, inside a labelled plastic bag.

Agar Plate

A single agar plate wrapped in Parafilm, as well as one additional piece of parafilm for resealing.

Liquid Culture Syringe
  • 1x Syringe containing 10-12cc of a live mycelium culture
  • 1x Sterile 18 Gauge Needle
  • 1x Alcohol Wipe

If you any questions as to the density, sterility or other concerns about your order please email us directly at

Under no circumstances contact us about cultivation of active spores regardless of legality in your home location. Doing so will result in a cancellation of all open orders and denial of any future orders.

While all of our products are made in the most sterile conditions possible, sometimes contamination happens! Please contact us if you have any issues or concerns with the cleanliness of your culture.