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B+ Mushroom Spore Syringe

Original price was: $19.99.Current price is: $18.99.

(13 customer reviews)

B+ mushroom spores are a classic, laboratory-prepared Psilocybe cubensis specimen renowned for high-clarity microscopy and reliable taxonomic study. Each 10cc Luer-Lock B+ spore syringe contains dense, viable spores suspended in our proprietary sterile solution to prevent clumping and maximize slide visibility. For researchers seeking stabilized single-strain genetics, we also offer our B+ isolated spore syringe. 100% contamination-free and backed by the Premium Spores quality guarantee.

SKU: H-BPlus

About B+ Mushroom Spores (Psilocybe cubensis)

Developed in the United States during the 1990s by the famed cultivator “Mr. G,” B+ spores remain one of the most foundational and widely referenced varieties in fungal taxonomy and microscopic research. Known in nature for producing large, caramel-tinted caps and sturdy, well-proportioned stipes, the B+ variety is celebrated in laboratory settings for its genetic stability, heavy sporulation, and clean visual structure under magnification.

Because B+ produces textbook-defined basidiospores with predictable density and sizing, it is widely utilized alongside Golden Teacher as a primary benchmark specimen for training researchers, calibrating ocular micrometers, and documenting standard Psilocybe cubensis morphology.

Microscopic Characteristics & Diagnostic Traits

Under compound microscopy (400x to 1000x oil immersion), B+ spores present clean, symmetrical cellular structures ideal for diagnostic comparative studies:

  • Scientific Classification: Psilocybe cubensis (Earle) Singer
  • Variety: B+ (B-Plus)
  • Spore Dimensions: 11.5–16.5 µm × 7.5–11.0 µm (ellipsoid to subellipsoid)
  • Spore Morphology: Smooth, thick-walled sporoderm with an apical germ pore measuring approximately 1.5–2.0 µm
  • Transmitted Light Color: Rich dark amber to deep violet-brown under standard illumination
  • Spore Print Density: Dense, dark purplish-brown to near-black
  • Basidia: 4-spored, producing symmetrical spore tetrads
  • Native Climate Reference: Subtropical / Warm Temperate
  • Natural Substrate Reference: Enriched soils and bovine/equine dung

What’s Included With Your B+ Spore Syringe

Each B+ mushroom spore syringe kit from Premium Spores includes:

  • One 10cc BD Luer-Lock syringe containing sterile, contamination-free B+ spores
  • One individually packaged, sterile 16-gauge dispensing needle
  • One isopropyl alcohol prep pad
  • One hydrated spore microscopy research and handling guide

Every syringe is filled under strict HEPA-filtered cleanroom conditions and tested on agar for purity and sterility. Rather than suspending spores in plain distilled water, our proprietary solution helps maintain long-term cellular viability, prevents clumping on glass slides, and ensures dependable research results for 12 to 24 months when refrigerated.

Natural Habitat & Substrate (Educational)

Grain Spawn, Manure-Loving Bulk Casing

13 reviews for B+ Mushroom Spore Syringe

  1. Christian Galeano –

    So far so good! Thank you guys, you are doing gods work… My mycology hobbie has helped me with the loss of my dad, amongst other things..

  2. Anonymous –

    Great research material.

  3. Cody C. –

    These guys are great and always provide quality spores to research.

  4. Scott –

    Always a great experience with PS

  5. Anonymous –

    I have tried other suppliers but have always returned for the quality of product and service I recieve.

  6. Peter Fiolkowski –

  7. Anonymous –

  8. Anonymous –

    I just planted and waiting for results Shipping and packing was very good. Thank you.

  9. Victor –

    Arrived on time, in good shape everything as promised.

  10. Thomas –

    Five stars, nice healthy spores

  11. Peter –

    Great results. Fast shipping.

  12. James –

    Quick delivery. Excellent product.

  13. Anonymous –

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About Premium Spores

Since 2013, Premium Spores has provided laboratory-grade microscopy specimens backed by dedicated customer support. We guarantee 100% clean, viable, and contamination-free spore solutions on every order. For bulk research orders (20+ syringes), contact us directly at support@premiumspores.com.

Habitat & Substrate

These habitat and substrate references are provided for taxonomy, ecological context, and educational research only. They describe documented natural associations and are not cultivation instructions.

Research Disclaimer

All Psilocybe cubensis mushroom spores purchased from Premium Spores are intended strictly for lawful microscopy, taxonomy, and scientific reference purposes. Premium Spores does not sell spores for cultivation or human consumption.

Why Researchers Choose Premium Spores

Sterile Cleanroom Prepared. Prepared in controlled cleanroom laboratory conditions.

Agar Tested for Quality. Each batch is tested on agar for cleanliness and consistency.

Research-Grade Spore Solutions. Suspended in a proprietary solution for enhanced microscopic clarity.

Trusted Since 2013. Serving microscopy researchers with guaranteed quality since 2013.

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