Brown Russula (Russula xerampelina)
- Rarraba: Basidiomycota (Basidiomycetes)
- Yankin yanki: Agaricomycotina (Agaricomycetes)
- Darasi: Agaricomycetes (Agaricomycetes)
- Subclass: Incertae sedis (na matsayi mara tabbas)
- oda: Russulales (Russulovye)
- Iyali: Russulaceae (Russula)
- Genus: Russula (Russula)
- type: Russula xerampelina (Russula launin ruwan kasa)
- Russula mai kamshi
A wata hanya kuma, ana kiran wannan naman kaza russula mai kamshi. Wannan agaric ne, mai cin abinci, yana tsiro galibi guda ɗaya, wani lokaci a cikin ƙananan ƙungiyoyi. Lokacin tattarawa yana farawa a watan Yuli kuma yana ƙare a farkon Oktoba. Ya fi son girma a cikin gandun daji na coniferous (yafi Pine), da kuma a cikin deciduous (yafi Birch da itacen oak).
Russula launin ruwan kasa yana da madaidaicin hula, wanda ke faɗuwa tsawon lokaci, diamita ya kai cm 8. Fuskar hular ya bushe da santsi, matte. Launinsa ya dogara da wurin da naman kaza ke zaune kuma zai iya zama daga burgundy zuwa launin ruwan kasa-zaitun. Faranti suna da yawa, da fari fari, kuma bayan lokaci launinsu ya zama launin rawaya-launin ruwan kasa. Tushen yana da ƙarfi da farko, sannan ya zama m. Yana da siffar zagaye, kusan 7 cm tsayi kuma 2 cm a diamita. Za a iya murƙushe saman tushe ko santsi, launi daga fari zuwa inuwa daban-daban na ja. Fuskar naman kaza yana da roba kuma mai yawa, launin rawaya, wanda da sauri ya juya launin ruwan kasa a cikin iska. Akwai kamshin herring, amma idan ana soya ko tafasa sai ya bace.
Russula launin ruwan kasa Yana da matukar jin daɗi, wanda a cikin wasu ƙasashe yana cikin abubuwan abinci. Ana iya cin shi a cikin gishiri, dafaffe, soyayye ko tsintsin nau'i.