P - Plant List

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Appendix 1

 FamiliesSpeciesNativesAliens
     
Spore-bearing vascular plants1332320
Gymnosperms3312
Basal angiosperms1110
Monocots2922215765
Magnoliids3541
Dicots80532298234
TOTALS129795493302
    38% Aliens

Status:

A = Alien

A* = Invasive Alien

I = Native but locally introduced

I species counted as aliens in above chart 

PE – PA Endangered

PT = PA Threatened

PR = PA Rare

TU = PA Undetermined

PV = PA Vulnerable

SP = Special population 

CC = Coefficient of Conservatism 

0 to 3 = Plants with a high range of ecological tolerances/found in a variety of communities. 
4 to 6 = Plants with an intermediate range of ecological tolerances / associated with a specific plant community. 
7 to 8 = Plants with a small range of ecological tolerances / associated with an advanced stage in plant community succession. 
9 to 10 = Plants with a high degree of fidelity to a narrow range of habitats. 

Occurance Code for Sections

10 = Year seen in current survey. 
07, 06 = Year observed during previous surveys. 

Count

= Number of sections seen in, from a total of 21 sections. 

Largest Families
92 – ASTERACEAE (Aster family) = 54 natives, 38 aliens
87 – POACEAE (Grass family) = 41 natives, 46 aliens
71 – CYPERACEAE (Sedge family) = 68 natives, 3 aliens 
36 – ROSACEAE (Rose family) = 19 natives, 17 aliens 
36 – FABACEAE (Bean family) = 11 natives, 25 aliens 
26 – LAMIACEAE (Mint family) = 14 natives, 12 aliens

Largest genera
52 – Carex (50 natives, 2 aliens) 
11 – Viola (10 natives, 1 alien) 
10 – Persicaria (5 native, 5 aliens) 
9 – Solidago (all native) 
9 – Viburnum (4 native, 5 alien) 
8 – Dichanthelium (all native) 
7 – Symphyotricium (all native) 
7 – Quercus (all native) 
7 – Galium (5 natives, 2 aliens) 
7 – Trifolium (all alien) 

Nomenclature follows Rhoads & Block 2007, The Plants of Pennsylvania, 2nd edition, The Flora of North America Vol.2, 1993 for fern families, and Weakley, 2009 for species indicated by (w).