Pollen census data from southern Florida : sites along a nutrient gradient in water conservation area 2A [microform] / Debra A. Willard ; prepared in cooperation with South Florida Water Management District, West Palm Beach, FL (Open-file report ; 97-497)
Pollen census data from southern Florida : sites along a nutrient gradient in water conservation area 2A [microform] / Debra A. Willard ; prepared in cooperation with South Florida Water Management District, West Palm Beach, FL