Iris douglasiana Herb., Bot. Beechey Voy. 9: 395 1840. (syn: Iris beecheyana Herb.; Iris douglasiana f. alpha (Dykes) R.C.Foster; Iris douglasiana var. alpha Dykes; Iris douglasiana var. altissima Purdy ex Jeps.; Iris douglasiana var. beecheyana (Herb.) Baker; Iris douglasiana var. bracteata Herb.; Iris douglasiana var. major Torr.; Iris douglasiana var. mendocinensis Eastw.; Iris douglasiana var. nuda Herb.; Iris douglasiana var. oregonensis R.C.Foster; Iris watsoniana Purdy; Limniris douglasiana (Herb.) Rodion.);
Oregon to California as per POWO;

Iris douglasiana white form from UCBG California-GS08102021-5:
Iris douglasiana white form
Photographed from University of California Botanical Garden, California, 22-4-2019


Iris douglasiana from California-GS09102021-1: 2 high res. images.
Iris douglasiana Herb.
Common name: Douglas Iris
Photographed from Fremont, 29-3-2019




References: POWO  Catalogue of Life  The Plant List Ver.1.1  WCSP  IPNI  Wikipedia

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