Appendix 2. Suitable habitat where Leptogium rivulare was not found
- Within 1 km of the Ottawa, Ontario population:
- Area C12a: Black Ash swamp
- C13j: Black Ash/ White Cedar swamp
- C33: Open American Elm swamp
- W of Pond XI: Black Ash/ Glossy Buckthorn swamp
- B5b: Black Ash swamp
- B5e: Black Ash swamp
- A5a: Black Ash floodway
- A5b: Red Maple swamp
- Pond SE of Pond XI: Red Maple swamp
- Pond VIII: seasonal pond with fringe of Red Maple and Black Ash
- A1e: Small seasonal pond with American Elms
- Within 1 km of Darling Township population:
- Old-growth East: Old-growth White Cedar swamp with Black Ash
- Old-growth Main: Old-growth White Cedar swamp with Black Ash
- Old-growth S branch: Old-growth Black Ash
- Opposite Cedar Cove: Seasonal pond fringed with American Elms Twice S of sandpit:: Seasonal pond fringed with American Elms Pit near Butternut den: Seasonally flooding hollow with Balsam Poplar
- Pond near road: Swampy pond with Black Ash
- Pond near hawk nest: Seasonal pond with Black Ash
- Swamp by lake: Cedar/ Black Ash swamp
- Within 1 km of the Pakenham Twp., Ontario population:
- W of High Pond: Red Maple swamp
- W of High Pond: another Red Maple swamp
- W of High Pond: a third Red Maple swamp
- Stream from High Pond: Black Ashes in floodplain
- Far Field-end Pond: Black Ash swamp Buttonbush pond: Thick with Cephalanthus
- Below Butternut Pond: Black Ash floodway Above Butternut Pond: Black Ash floodway Car-door Pond: Black Ashes standing in water
- Stream below access road: Black Ash floodway Old-road stream: Black Ash floodway W of Rock-wall Pond: Red Maple swamp
- Stanley Ck. culvert: Black Ash floodway Stanley Ck streambed: Boulders and bedrock
- Indian Ck. at dam: Black Ashes and boulders that flood
- Indian Ck. below dam: Boulders of streambed
- Indian Ck. waterfall: Black Ashes and boulders of floodway
- SE of High Pond: Red Maple swamps
- Willis Lake, Darling Twp., Ontario:
- Poplar hollow: Vernal pool with poplars
- Rock-bound pool: Seasonally flooded hollow with Red Maples
- Hanging valley: Black Ash swamp
- S of White Lake, Darling Twp. Ontario:
- High ravine: Small-stream floodplain with Black Ash
- Trail to Darling Long Lake: Small-stream floodplain with Black Ash
- Trail to Darling Long Lake: Black Ash swamp
- Arnprior, Ont. (Gillies Grove):
- Hollow with American Elms
- Pakenham Village, Ont.:
- Creek floodplain: ashes and elms
- Blakeney Rapids on the Missisippi River, Ont.:
- Bramble Hill Farm on the Missisippi River, Ont.:
- Narrow floodplain in forested ravine: Black Ash and American Elm
- Petrie Island in the Ottawa River, below Ottawa:
- Flooding Red Maple forest; checked by I.M. Brodo
- Upper Duck Island in the Ottawa River, below Ottawa:
- Flooding sandbar island with Red and Silver Maple forest
- Leitrim wetlands, E side of Ottawa, Ont.:
- Old-growth Black Ash swamp; checked by I.Brodo
- Greens Ck., E. side of Ottawa, Ont.:
- Silver Maple floodplain forest; checked by B. Gaertner
- Sawmill Ck, near Wakefield, Que.:
- Red Ash, American Elm, and willow on ravine floodplain
- Old Sawmill Ck. Rd., near Wakefield, Que.:
- Small swamp with Black Ash and American Elm
- Noire River, Que. - island at Forant Ck.:
- Silver Maple forest on floodplain
- Noire R., Que. - lowest rapids on Forant Ck.:
- Boulders in mid-stream, exposed by low water levels
- Noire R., Que. - Mountain Chutes portage:
- Small Black Ash swamp on hillside
- Noire R., Que. - below Mountain Chutes:
- Riverbank boulders and bedrock exposed by low water levels
- Noire R., Que. (meander camp):
- Silver Maple forest and Black Ash swamp on river floodplain
- Noire R., Que. (1st ox-bow lake):
- Silver Maples along old riverbank in flood zone
- Noire R., Que. (2nd ox-bow lake):
- Silver Maples and alders fringing old riverbank, in flood zone
- Anima Nipissing Lake, N of Lake Temagami, Ont.:
- Black Ash swamp, checked by I.M. Brodo