▁a ▁brown ▁color . ▁ ▁Distribution ▁and ▁habitat ▁ ▁The ▁fruit ▁bodies ▁of ▁Cort in arius ▁c inn am ome us ▁are ▁common ▁in ▁d amp ▁places ▁in ▁con ifer ous ▁for ests , ▁growing ▁not ▁only ▁in ▁Europe ▁but ▁apparently ▁throughout ▁the ▁temper ate ▁zone ▁of ▁the ▁northern ▁hem is phere . ▁It ▁has ▁also ▁been ▁collected ▁from ▁Y unn an ▁Province , ▁China . ▁ ▁Cort in arius ▁c inn am ome us ▁colon izes ▁the ▁root ▁systems ▁of ▁the ▁sed ges ▁Care x ▁fla cca ▁and ▁Care x ▁pil ul if era , ▁forming ▁e ct omy cor rh iz al - like ▁structures ▁lack ing ▁a ▁Hart ig ▁net — a ▁network ▁of ▁hy pha e ▁that ▁pen et rate ▁between ▁the ▁e pid erm al ▁and ▁cort ical ▁cells ▁of ▁the ▁root . ▁The ▁structures ▁formed ▁between ▁C .   c inn am ome us ▁and ▁the ▁sed ges ▁possess ▁a ▁distinct ▁fung al ▁mant le ▁( 8 5 – 1 0 0   μ m ▁thick ), ▁hy phal ▁in fection ▁in ▁e pid erm al ▁cells , ▁rh iz omorph s ▁and ▁extr am atr ical ▁hy pha e . ▁These ▁e ct omy cor rh iza - like ▁structures ▁are ▁formed ▁on ▁first - order ▁later al ▁roots ▁but ▁are ▁morph olog ically ▁and ▁an atom ically ▁distinct ▁from ▁d auc iform ▁roots ▁( short ▁sw ol len ▁hair y ▁later al ▁roots ). ▁ ▁See ▁also ▁ ▁List ▁of ▁Cort in arius ▁species ▁