9 5 . ▁He ▁special ized ▁in ▁the ▁genus ▁H iera ci um ▁, ▁and ▁described ▁several ▁new ▁species ▁of ▁the ▁genus . ▁ ▁He ▁was ▁the ▁father ▁of ▁Re id ar ▁Om ang . ▁ ▁References ▁ ▁Category : 1 8 6 7 ▁birth s ▁Category : 1 9 5 3 ▁death s ▁Category : Pe ople ▁from ▁Ham ar ▁Category : N or weg ian ▁botan ists <0x0A> </s> ▁P PI ▁Mot ors ports ▁was ▁a ▁race ▁team ▁which ▁competed ▁in ▁C ART , ▁NAS C AR ▁and ▁various ▁off - road ▁racing ▁circ uits . ▁ ▁The ▁team ▁had ▁one ▁of ▁the ▁few ▁remaining ▁single ▁car ▁operations ▁in ▁NAS C AR . ▁ ▁Early ▁years ▁P PI ▁stood ▁for ▁P rec ision ▁Pre par ation , ▁Inc ., ▁a ▁company ▁founded ▁by ▁team ▁owner ▁Cal ▁Well s ▁in ▁ 1 9 7 9 . ▁ ▁The ▁company ▁provided ▁parts ▁for ▁off - road ▁racing ▁teams . ▁ ▁Over ▁time , ▁P PI ▁eventually ▁began ▁its ▁own ▁off - road ▁team , ▁with ▁help ▁with ▁Toy ota ▁Mot ors ports . ▁ ▁P PI ▁field ed ▁off - road ▁tr uck s ▁for ▁Mic key ▁Thompson ' s ▁S CO RE ▁series ▁and ▁then ▁later ▁field ed ▁tr uck s ▁which ▁competed ▁in ▁out door ▁events ▁such ▁as ▁the ▁B aja ▁ 1 0 0 0 . ▁ ▁Notable ▁drivers ▁for ▁P PI ▁include ▁Ivan ▁" I ron man " ▁Stewart ▁and ▁a ▁young ▁Rob by ▁Gordon ▁( who ▁also ▁drove