31. Weiss documented how nitrogen oxide emissions from cars enriched the nutrient-poor serpentine soil . 32. The species sometimes grows on serpentine soils . 33. It grows in chaparral and closed-cone pine forest habitats, usually on serpentine soil . 34. Approximately 20 % of the state's rare and endemic plants grow in serpentine soils . 35. Growing on serpentine soils , it has adaptations to survive conditions most plants can t tolerate. 36. It occurs in mountain meadows and forest habitat in subalpine zones, usually on serpentine soils . 37. "Erigeron robustior " grows in rocky of gravely slopes, sometimes in serpentine soil . 38. Major Mount Tamalpais rockforms include endemic plants grow in the serpentine soils in this part of the mountain. 39. Nitrogen spans practically the same range of concentrations in serpentine soils as in most other kinds of soils. 40. It grows in grasslands, oak woodlands, and rugged mountain habitats including serpentine soils and rocky slopes.
