Biodiversity Guide - The Intertwine

appendix F Rare Flora of the Greater Portland-Vancouver RegionF. Rare Flora of the Greater Portland-Vancouver RegionIncludes Clackamas, Clark, Washington, and portions of Hood River, Yamhill, and Columbia CountiesCommon Name Scientific Name HabitatFederalTall agoseris Agoseris elata No S G4 S1/S3 Open forest, ridgetops at high elevationsTall hairy groovebar Agrimonia gryposepala No G5 SNR/ Thickets, fieldsHowell’s bentgrass Agrostis howellii SOC C No G2 S2/ Moist cliffs near waterfallsGrand ammania Ammannia robusta No T G5 SNR/S1 Mudflats associated with Columbia RiverCascade rockcress Arabis furcata No G4 S3/ Alpine ridges, subalpine meadows andin Columbia gorgeSickle-pod rockcress Arabis sparsiflora No G5T3 S2/ Rocky slopes and talusTexas bergia Bergia texana No G5 S3?/SNR Margins of vernal pools and mudflatsalong riverOregon bolandra Bolandra oregana C No S G3 S3/S2 Riparian; moist places in dark shadeBristly sedge Carex comosa No S G5 S1/S2 Tidal wetland, lake shores and wetmeadowsDense sedge Carex densa No T G5 SNR/S1 Wet prairie No federal status; Oregon rank notreviewed or you can leave blank,i.e. “/S1”Pale sedge Carex livida No G5 S2/ Bogs and fensAlaska long-awned sedge Carex macrochaeta No T G5 S2/S1 Wet cliffs, vertical rock facesRetrorse sedge Carex retrorsa No G5 S1/ Tidal wetland, lake shores andwet meadowsGolden Paintbrush Castilleja levisecta T E Yes E G1 SH/S1 Low elevation prairieCliff paintbrush Castilleja rupicola SOC No G3G4 S3/ Alpine rock crevicesOregonOR Strategy speciesWashingtonCity of PortlandGlobal Heritage RankState Heritage Rank OR/WA219