Intermountain Flora Vol. 4: The Asteridae Except the Asteraceae
by Arthur Cronquist, Noel H. Holmgren, Patricia K. Holmgren, James L. Reveal, Rupert C. Barneby
Category: Botany

This volume covers a great many of the most difficult families found in the flora of the intermountain region. The largest sections of this volume are dedicated to four families: Polemoniaceae, Hydrophyllaceae, Boraginaceae, & Scrophulariaceae.