Yucca whipplei ssp.newberryi (McKelvey) Hochstätter

Arizona - Newberry Yucca.

Succulenta 79(1): 32-44.2000.

Basionym: Yucca newberryi MeKelvey. - Yuccas of the SW. U. S. 2: 49-52.1947.

Type: Schott, s. n. Tubac Valley, near Nogales, Arizona (MO 135693).

Other representative material studied.

Arizona:fh 1179.71, Lava Falls area (deposited 7 May 1995 in SRP);
fh 1181.5, inner Grand Canyon, 900 m; Hualapai Reservation, near the Colorado River, 1,300 m.

Yucca whipplei ssp.newberryi

Yucca whipplei ssp.newberryi, fh 1179.91, 7th May 1998, Lava Falls Area
inner Grand Canyon, AZ., 900m growing in lava soil.