APPENDIX C

SENSITIVE PLANT SPECIES SIX RIVERS NATIONAL FOREST

SPECIES NAME1 STATUS2 COMMON NAME Arabis aculeolata 6,C Waldo rock-cress Arabis macdonaldiana 3,5,B McDonald’s rock-cress Astragalus agnicidus 5,A Humboldt milk-vetch Bensoniella oregona 3,5,B bensoniella Calamagrostis foliosa 3,8,C leafy reed grass Castilleja elata 6,C Siskiyou Indian paintbrush Dicentra formosa ssp. oregana 8,C Oregon bleeding heart Draba carnosula 5,B Mt.Eddy draba Epilobium siskiyouense 5,C Siskiyou fireweed Eriastrum brandegeae 5,B Brandegee’s eriastrum Eriogonum pendulum 6,C Waldo buckwheat Frasera umquaensis 6 clustered green gentian Lathyrus biflorus 5,A two-flowered pea Lewisia cotyledon var. heckneri 5,B Heckner’s lewisia Lewisia cotyledon var. howellii 7,B Howell’s lewisia Lewisia oppositifolia 5,C opposite-leaved lewisia Lupinus constancei 5,B The Lassics’ lupine Madia stebbinsii 5,C Stebbins’ madia Minuartia decumbens 5,B Lassics’ sandwort Oenothera wolfii 5,A Wolf’s evening primrose Pedicularis howellii 8,C Howell’s lousewort Raillardella scabrida 8,C scabrid raillardella Sanicula tracyi 5,B Tracy’s sanicle Sedum laxum ssp. flavidum 8,C pale yellow stonecrop Silene marmorensis 5,B Marble Mtn. campion Streptanthus howellii 5,C Howell’s jewelflower Thlaspi montanum var. californicum 5,A Kneeland prairie pennycress Tracyina rostrata 5,C beaked tracyina Viola lanceolata ssp. occidentalis 5,B western bog violet

1Nomenclature according to Munz; revision will be according to Jepson. 2Status: (1) Listed as endangered on Federal Register, Vol. 43, No. 139, 44810-444812, Thursday, September 28, 1978. (2) Listed as endangered by the State of California. (3) Listed as Rare by the State of California. (4) CNPS LIST 1A: Presumed extinct in California (September 1984). (5) CNPS LIST 1B: Rare and endangered in California and elsewhere. (6) CNPS LIST 2: Rare or endangered in California but more common elsewhere. (7) CNPS LIST 3: More information needed. (8) CNPS LIST 4: Limited distribution (a watch list). (A) U.S. Fish & Wildlife Service (USFWS) LIst C1: Taxa candidate for endangered or threatened listing. (B) USFWS List C2: Biological vulnerability not known at this time to warrant listing. (C) USFWS List C3: Too widespread or not threatened at this time.

Six Rivers National Forest PLAN APPENDIX C – 1