Smith. Contr. Bot. #51 (1981), "A revision of the tribal and subtribal limits of the Heliantheae", Figs. 60-79
Robinson, Harold E.
Achenes of Heliantheae-Desmanthodiinae-Clibadiinae-Pinilosinae-Guardiolinae-Enhydrinae-Montanoinae-Rudbeckiinae.
Figure 60-63. Desmanthodium perfoliatum (Asteraceae). 60. disk achene, 61, 62. ray florets in envelope, 63. ray floret without envelope. - Jun 1980.
Figure 64-65. Stachycephalum argentinum (Asteraceae). 64. ray achene, face view, 65. ray achene, lateral view. - Jun 1980.
Figure 66-69. Clibadium surinamense (Asteraceae). 66. hair from achene, 67. disk achene, 68. ray achene, lateral view, 69. ray achene, face view. - Jun 1980.
Figure 70-72. Lantanopsis hispidula (Asteraceae). 70. disk achene, 71. ray achene, lateral view, 72. ray achene, face view. - Jun 1980.
Figure 73. Pinillosa berteri (Asteraceae). ray achene. - Jun 1980.
Figure 74. Guardiola pappifera (Asteraceae). ray achene. - Jun 1980.
Figure 75. Guardiola mexicana (Asteraceae). ray achene. - Jun 1980.
Figure 76. Enhydra sessillis (Asteraceae). achene. - Jun 1980.
Figure 77. Montanoa tomentosa (Asteraceae). disk achene. - Jun 1980.
Figure 78. Rudbeckia laciniata (Asteraceae). disk achene. - Jun 1980.
Figure 79. Ratibida columnifera (Asteraceae). disk achene. - Jun 1980.
