SESSION
CHECKLIST
SOURCES
NEWS - FEATURES
Parent species: Polygonum douglasii
Synonyms: Polygonum douglasii var. johnstonii Polygonum sawatchense ssp. oblivium Polygonum sawatchense Polygonum triandrum Polygonum utahense
Counties: Alpine Butte Colusa El Dorado Fresno Humboldt Inyo Kern Lake Lassen Madera Mariposa Mono Modoc Nevada Placer Plumas Riverside San Bernardino San Diego Shasta Sierra Siskiyou Tehama Trinity Tulare Tuolumne Ventura
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