McDougall, W. B.; and Sperry, Omer E.: Plants of Big Bend National Park; Government Printing Office, 1951.

Nichol, A. A.: The Natural Vegetation of Arizona; University of Arizona Technical Bulletin No. 68, 1937.

Shantz, H. L.; and Piemeisel, R. L.: Indicator Significance of the Natural Vegetation of the Southwestern Desert Region; Government Printing Office, 1925.

Sperry, Omer E.; and Warnock, Barton H.: Plants of Brewster County, Texas; Sul Ross State Teachers College Bulletin, Vol. 21, No. 1, Alpine, Texas, 1941.

Taylor, Walter P.; McDougall, Walter B.; and Davis, William B.: Preliminary Report of an Ecological Survey of Big Bend National Park; March-June, 1944; mimeo.

INDEX

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] X [Y] [Z]

A Abronia [96] Acacia [28], [33] Acknowledgement [8] Agave [19], [21], [22], [61] Ajamente [105] Ajo [13] Alfilaria [80] Algerita [43] Allionia [67] Allthorn [106] Amole [19] Amsinckia [46] Amaryllis family [61] Aplopappus [55] Apricot-mallow [68] Arizona Desert [5] Arizona-poppy [38], [39] Argemone [12] Arundo [24] Arrowweed [17], [88] Artemisia [4] Asclepias [105] Ashplant [79] Aster [17], [82] Astragalus [86]

B Baccharis [25] Baeria [50] Balleya [54] Barberry [43] Barberry family [43] Barrel cactus [60] Barometerbush [79] Basketgrass [20] Bead-pod [44] Beardtongue [83] Beargrass [20], [22] Beavertail cactus [59], [60] Bedstraw milkweed [105] Bellflower family [16] Berberis [43] Bignonia family [73] Bird-of-paradise flower [58] Bisnaga [60] Bisnagre [60] Bladderpod [44], [96] Bluebonnet [84] Bluedicks [98] BLUE flowers [98]-102 Blue paloverde [36] Boerhaavia [92] Borage family [46] Box family [104] Brickellbush [31] Brickellia [31] Brigham-tea [34] Brittlebush [53] Broadleaf yucca [19] Broom baccharis [25] Broomrape [85] Broomrape family [85] Buckhorn cholla [94] Buckwheat family [70], [103] Buffalo-bur [87] Buffalo gourd [44] Bullhead [38] Bullnettle [87] Bullthistle [95] Burnut [38] Burrobrush [17], [40] Burrobush [40], [65] Burroweed [107] Burroweed strangler [85] Bur-sage [40], [85], [107] Button cactus [75]

C Cactus family [9], [10], [26], [59], [60], [74], [75], [94], [97] Caesalpinia [58] Calabazilla [44] Caliandra, [69] Calico cactus [97] California Desert [6] California-poppy [63] Calochortus [62] Calycoseris [30] Caltrop [39] Caltrop family [38], [39], [40] Camphor-weed [35] Canaigre [103] Cancer-root [85] Canatilla [34] Candelilla [34] Candlewood [66] Canotia [107] Caper family [37], [41] Cane cactus [94] Carnegiea [9] Carrizo [24] Cassia [57] Catclaw [28], [33] Cat’s-claw [33] Ceniza [79] Century plant [22], [61], [62] Cercidium [36] Carnegiea [6], [9] Cheesewood [65] Chia [100] Chicolote [12] Chihuahuan Desert [5] Chili Coyote [44] Chilopsis [73] Chinese pusley [88] Cholla [26], [94] Christmas cholla [26] Cirsium [95] Clammyweed [37] Clematis [23] Cleome [37] Coachwhip [66] Coffeeberry [104] Colorado-Mohave Desert [6] Common reed [24] Compass cactus [60] Convolvulus family [17], [99] COPPERY flower [64] Copra-de-oro [63] Corkseed cactus [75] Corona-de-Cristo [106] Cottonwood [28] Covena [98] Coyote-melon [44] CREAM-colored flowers [19]-25 Creosotebush [17], [38], [39], [40], [91] Crowfoot family [23], [101] Crownbeard [54] Crown-of-thorns [106] Crucifixion-thorn [106] Curcurbita [44] Cuscuta [17]