▁unable ▁to ▁produce ▁ch lor oph yll , ▁and ▁has ▁white ▁need les ▁instead ▁of ▁the ▁normal ▁green . ▁ ▁It ▁surv ives ▁by ▁obtain ing ▁sugar ▁through ▁the ▁connections ▁between ▁its ▁roots ▁and ▁those ▁of ▁neighbor ing ▁normal ▁red wood ( s ), ▁usually ▁the ▁parent ▁tree ▁from ▁whose ▁base ▁it ▁has ▁spr out ed . ▁( S ap ▁exchange ▁through ▁roots ▁is ▁a ▁general ▁phenomen on ▁among ▁red wood s .) ▁About ▁ 4 0 0 ▁are ▁known . ▁They ▁can ▁be ▁found ▁in ▁both ▁Henry ▁Cow ell ▁Red wood s ▁State ▁Park ▁and ▁H umb old t ▁Red wood s ▁State ▁Park , ▁with ▁eleven ▁trees ▁in ▁the ▁first . ▁The ▁exact ▁locations ▁are ▁not ▁public ized ▁to ▁protect ▁the ▁rare ▁trees . ▁They ▁reach ▁a ▁maximum ▁height ▁of ▁about ▁ 2 0   m ▁( 6 6   ft ). ▁Other ▁con if ers ▁lack ▁the ▁ability ▁to ▁gra ft ▁their ▁roots , ▁ ▁so ▁' al b ino ' ▁mut ants ▁of ▁other ▁species ▁do ▁not ▁surv ive ▁to ▁become ▁s izable ▁trees . ▁Alb ino ▁red wood ▁sight ings ▁between ▁Henry ▁Cow ell ▁Red wood s ▁State ▁Park ▁and ▁Ro aring ▁Camp ▁Rail ro ads ▁were ▁first ▁sight ed ▁by ▁Ro aring ▁Camp ▁CE O ▁Georg iana ▁P ▁Clark ▁in ▁ 2 0 0 4 ▁and ▁reported ▁and ▁shared ▁with ▁natural ists ▁at ▁Henry ▁Cow ell ▁Red wood s ▁State ▁Park ▁and ▁botan ists ▁at ▁the ▁University ▁of ▁California ▁at ▁Santa ▁Cruz . ▁▁ ▁The ▁trees ▁were