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Equisetum sylvaticum L.<br />
H Woodland horsetail S5 CP HV<br />
Equisetum variegatum Schleich. ex Fried., Weber & Mohr ssp.<br />
variegatum<br />
H Variegated horsetail S5 CP<br />
Equisetum X litorale Kuhl. ex Rupr.<br />
H Shore horsetail S2? CP HV<br />
[E. arvense X E. fluviatile]<br />
Adder’s tongue family<br />
Botrychium dissectum Spreng.<br />
Ophioglossaceae<br />
* Cut-leaved grape fern S5 CP<br />
Botrychium virginianum (L.) Swartz<br />
Rattlesnake fern S5 CP HV RC<br />
<strong>Royal</strong> fern family<br />
Osmunda cinnamomea L.<br />
Osmundaceae<br />
Cinnamon fern S5 HV<br />
Osmunda claytoniana L.<br />
Interrupted fern S5 CP HV<br />
Osmunda regalis L. var. spectabilis (Willd.) A. Gray<br />
X <strong>Royal</strong> fern S5 CP<br />
Maidenhair fern family<br />
Adiantum pedatum L.<br />
Pteridaceae<br />
Maidenhair fern S5 CP HV RC<br />
Bracken fern family<br />
Dennstaedtia punctilobula (Michx.) T. Moore<br />
Dennstaedtiaceae<br />
* Hay-scented fern S5 CP<br />
Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw.<br />
Bracken S5 CP HV<br />
2<br />
Marsh fern family<br />
Phegopteris connectilis (Michx.) Watt<br />
Thelypteridaceae<br />
X Nor<strong>the</strong>rn beech fern<br />
[Thelypteris phegopteris (L.) Slosson]<br />
S5 CP<br />
Phegopteris hexagonoptera (Michx.) Fée<br />
X Broad beech fern S3 CP<br />
[Thelypteris hexagonoptera (Michx.) Wea<strong>the</strong>rby]<br />
Listed as special concern by COSEWIC.<br />
Thelypteris noveboracensis (L.) Nieuwl.<br />
* New York fern S4S5 CP<br />
Thelypteris palustris Schott var. pubescens (Lawson) Fern.<br />
Marsh fern S5 CP HV<br />
Spleenwort family<br />
Asplenium platyneuron (L.) Oakes ex Eaton<br />
Aspleniaceae<br />
N Ebony spleenwort S4 CP BT<br />
Voucher photographs <strong>of</strong> plants at Berry Tract (1999) and Cootes<br />
Paradise (2000) taken.<br />
Asplenium rhizophyllum L.<br />
X Walking fern S4 RC<br />
No specimens. Appropriate habitat occurs at Rock Chapel, but recent<br />
searches have failed to locate this species.<br />
Wood fern family Dryopteridaceae<br />
Athyrium filix-femina (L.) Roth var. angustum (Willd.) G. Lawson<br />
Lady fern S5 CP HV<br />
Cystopteris bulbifera (L.) Bernh.<br />
Bulblet fern S5 CP HV RC<br />
Cystopteris tenuis (Michx.) Desv.<br />
Mackay’s fragile fern S5 CP HV<br />
[C. fragilis (L.) Bernh. var. mackayi Lawson]<br />
3
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