Website/Catalog  (2018)  
 
Rosa nutkana C. Presl subsp. macdougalii (Holzinger) Piper, Contr. U.S. Natl. Herb. 11: 335. 1906.
Macdougal’s or Spalding rose
Rosa macdougalii Holzinger, Bot. Gaz. 21: 36. 1896 (as macdougali); R. nutkana var. hispida Fernald; R. rainierensis G. N. Jones; R. spaldingii Crépin ex Rydberg
Description

Book  (1996)  Page(s) 191.  
 
Rosa nutkana Presl var. hispida Fernald
Distinguished from R. nutkana var. nutkana by:
Leaf margin simply serrate without glands and infrastipular spines rather slender.
Illustration.
Range: British Columbia east of the Coast Range and south to Colorado

Book  (1981)  Page(s) 277.  
 
R. nutkana...var. hispida Fern. Fruits glandular-hispid; leaflets more coarsely serrate. NPN3: 172; AF 250 (as R. macdougalii); (= R. macdougalii Holzinger). Brit. Col. to Utah.

Book  (1976)  Page(s) 118.  
 
R. nutkana hispida Fern. (R. macdougalii Holzg.) - Fruit glandular-bristly; Foliage deeply serrated.

Book  (1944)  Page(s) 462.  Includes photo(s).
 
Rosa Macdougalii Holz. MacDougal's Rose. Fig. 2507.
Rosa nutkana var. hispida Fernald, Bot. Gaz. 19: 335. 1894.
Rosa Macdougalii Holz. Bot. Gaz. 21 : 36. 1896.
Rosa nutkana Macdougalii Piper, Contr. U.S. Nat. Herb. 11: 335. 1906.

Stems erect, 1-2 m. high, armed with straight infrastipular prickles, the floral branches with weaker prickles or unarmed. Leaves 7-foliolate; stipules more or less glandular-toothed; petioles and rachis puberulent and slightly glandular ; leaflets oval, 1 . 5-5 cm. long, glabrous or nearly so above, puberulent or slightly glandular beneath ; flowers solitary or rarely corymbose ; pedicels glandular-bristly; hypanthium subglobose, densely bristly or prickly, 12-18 mm. thick in fruit ; sepals glandular on the back, caudate-attenuate.
Arid Transition Zone; British Columbia and eastern Washington to northern Utah. Type locality: Farmington, Idaho. May-July.

Book  (1940)  Page(s) 441.  
 
R. nutkana...R. n. hispida Fern., var. Lfts. coarsely serrate; receptacle glandular-hispid. (R. MacDougalii Holz.) B. C. to Utah.

Book  (1939)  Page(s) 179.  
 
Key to the Species
Sepals, styles and upper part of the hypanthium persistent on the fruit; pistils numerous.
- Hypanthium densely glandular or glandular-hispid or bristly.
-- Stems with stout (rarely slender) prickles ¼- to ½-inch long, usually straight, more or less flattened below, often ascending; petals ¾-inch to 1½ inches long......1a. R. nutkana var. hispida.
-- Stems with few slender usually straight prickles, sometimes with many additional bristles; sepals without foliaceous tips; petals ½- to ¾-inch long.....2. R. spithamea.
 

Book  (1939)  Page(s) 181.  Includes photo(s).
 
Rosa nutkana...Var. hispida Fer. Bristly Rose. Fig. 191.
Hypanthium densely hairy or glandular-prickly.
This variety occurs in the same clumps with the species near Alton, Humboldt County.
...Var. hispida Fer. Bot. Gaz. 19:335 (1894). Type locality: "Based on Rock Creek, Mont., Watson 124, and Pullman, Wash., Piper 1540."

Book  (1937)  Page(s) 73.  
 
MacDougallii Holz. (synonym of nutkana var. hispida) [ploidy] 42

Book  (1909)  Page(s) 208, Vol. 2.  
 
R. nutkana Presl var. hispida Fer.
Calyx-tube with gland-tipped bristles. Humboldt County, North to British Columbia, east to Utah and Montana.
June-July