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Heterotheca villosa var. sierrablancensis Semple is native to mid to higher elevations in the White Mts. of New Mexico. The variety has ovate-oblong, moderately densely strigose and sparsely to moderately densely glandular leaves. Nesom (2020) treated it as a separate species H. sierrablancensis (Semple) Nesom, which might be justified pending further research.
Heterotheca villosa var. sierrablancensis, Semple 10513, Lincoln Co., New Mexico (type locale)
Heterotheca villosa var. sierrablancensis, flowering shoot, Semple 10513, Lincoln Co., New Mexico (type locale)
Heterotheca villosa var sierrablancensis, distribution Fig-40 Semple (1996)
Last update 19 May 2023 by J.C. Semple
© 2023 J.C. Semple, including all photographs unless otherwise indicated