Black Cap P.natalensis. This awesome variation of P.natalensis is now available! Originally isolated by Ryan Thompson, P. natalensis is known for its anti-inflammatory properties. Stunning black caps at maturity. Known to be contamination resistant. Cube tek works for these. LC tested with every pull! Swabs carefully collected in front of flow hood and sterile packaged. If ordering LC or culture plates, please allow additional time for prep (ships in 1-2 weeks). Please note: All genetics are intended for microscopy and taxonomy purposes only.