Helena klevorn age
View the profiles of people named Helena Klevorn. Join Facebook to connect with Helena Klevorn and others you may know. Facebook gives people the power...1990-01-01. The dry-weight -rank method of estimating botanical composition on California's annual grasslands is a viable alternative to harvesting and sorting or methods using points. Two data sets of sorted species weights were available. One spanned nine years with quadrats harvested at peak of production.