Yellow-brown float (Amanita fulva)
- Rarraba: Basidiomycota (Basidiomycetes)
- Yankin yanki: Agaricomycotina (Agaricomycetes)
- Darasi: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Agaricles (Agaric ko Lamellar)
- Iyali: Amanitaceae (Amanitaceae)
- Genus: Amanita (Amanita)
- Subgenus: Amanitopsis (Float)
- type: Amanita fulva (Yellow-launin ruwan kasa)
Naman gwari na cikin jinsin gardama ne, na cikin babban dangin amanitaceae.
Yana girma a ko'ina: Arewacin Amurka, Turai, Asiya, har ma a wasu yankuna na Arewacin Afirka. Girma a cikin ƙananan ƙungiyoyi, samfurori guda ɗaya kuma suna da yawa. Yana son ƙasa mai dausayi, ƙasa acidic. Yana son conifers, da wuya a samu a cikin dazuzzukan dazuzzuka.
Tsawon ruwan rawaya-launin ruwan kasa ya kai 12-14 cm. Hat a cikin manya samfurori kusan kusan lebur ne, a cikin matasa namomin kaza shi ne convex ovoid. Yana da kalar zinare, lemu, ruwan kasa, a tsakiya akwai wani dan karamin duhu. Akwai tsagi a kan gefuna, za a iya samun ƙaramin adadin ƙura a duk saman hular. Hulu yawanci santsi ne, amma wasu namomin kaza na iya samun ragowar mayafi a saman sa.
Bangaren naman kaza ba shi da wari, taushi da nama a cikin rubutu.
An rufe ƙafar fari-launin ruwan kasa da sikeli, gaggautsa. Ƙarƙashin ƙasa yana da yawa kuma ya fi girma, na sama yana da bakin ciki. Volvo a kan tushe na naman gwari tare da tsarin fata, ba a haɗa shi da tushe ba. Babu zobe a kan kara (wani takamaiman fasalin wannan naman kaza da babban bambanci daga agarics masu guba).
Amanita fulva yana girma daga Yuli zuwa ƙarshen Oktoba.
Ya kasance na nau'in nau'in abinci (wanda ake iya ci a sharadi) amma ana amfani dashi kawai a cikin sigar da aka dafa.