Reindeer gansakuka
Reindeer gansakuka (Da t. Cladonia rangiferina), ko gansakuka barewa - ƙungiyar lichens daga jinsin Cladonia.
Wannan shi ne daya daga cikin mafi girma lichens: tsayinsa zai iya kai 10-15 cm. Yagel yana da launi, saboda yawancin lichen shine mafi ƙarancin launi - kara hyphae.
Danshi reindeer gansakuka na roba ne lokacin da aka jika, amma bayan bushewa sai ya zama mai karyewa da rugujewa cikin sauki. Iska ne ke ɗauke da waɗannan ƙananan gutsuttsura kuma suna iya haifar da sabbin ciyayi.
Saboda daji, thallus mai rassa sosai, gansakuka na wasu lokuta ana ware su a cikin jinsin Cladina. Abinci mai kyau ga reindeer (har zuwa 90% na abincin su a cikin hunturu). Wasu nau'ikan sun ƙunshi usnic acid, wanda ke da kaddarorin ƙwayoyin cuta. Nenets suna amfani da waɗannan kaddarorin na gansakuka reindeer a cikin magungunan jama'a.