Comments on: Why Not Here? http://www.wqed.org/birdblog/2012/11/28/why-not-here/ A Bird Blog with Kate St. John Wed, 22 May 2013 13:45:59 +0000 hourly 1 By: Carol Smith http://www.wqed.org/birdblog/2012/11/28/why-not-here/comment-page-1/#comment-20326 Carol Smith Wed, 28 Nov 2012 14:45:12 +0000 http://www.wqed.org/birdblog/?p=59708#comment-20326 Rhoads’ “The Vascular Flora of Pennsylvania” shows quite a few historical occurrences of red-cedar in Allegheny County, but few in surrounding counties. This book presents data collected from the early 1800′s to 1992. Why were they here during those years and why, beyond the obvious reasons, aren’t they here in greater numbers now?

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