Zinnia

small open grassy meadow among oaks and junipers on gentle terrace slope of volcanic alluvial soil and gravels of lower canyon

small open grassy meadow among oaks and junipers on gentle terrace slope of volcanic alluvial soil and gravels of lower canyon

small open grassy meadow among oaks and junipers on gentle terrace slope of volcanic alluvial soil and gravels of lower canyon

lower canyon slope above river on tuffaceous volcanic gravels

upper rim of canyon on exposed volcanic tuff, in rubble at base of roadcut.

in mesic canyon bottom on volcanic tuff rubble and moist soils adjacent to extensive nearby flowing thermal springs. Note marginal hairs on ray ligules

Habitat view in mesic canyon bottom on volcanic tuff rubble and moist soils adjacent to extensive nearby flowing thermal springs.

plants on flat plains of a large bolson (Los Llanos), in silty, slightly saline, gyp-calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub.

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line

plants on flat plain of a large bolson in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area made rich with diverse annual forbs by recent heavy rains and patches of undisturbed native desert scrub. Site is located just inside (ca. 50 m)the state line