54 



VASCULAR PLANT SPECIES OBSERVED IN THE BULL RIVER DRAINAGE, SANDERS COUNTY, MONTANA, JUNE- JULY 19 



(Symbols represent locations of voucher specimens for marked taxa: * = University of Montana Herbarium, 

 Missoula (HONTU); + = University of California Herbarium, Berkeley (UC); # = Gray Herbarium, Harvard University 

 (GH)). 



Acer qlabrun (mountain maple) 



ACERACEAE (Maple Family) 



Moist areas in forests or along streambanks. 

 APIACEAE (Carrot Family) 



Cicuta douqlasi i (Douglas waterhemlock) 

 Heracleun sphondyl iun (cow parsnip) 

 * LomatiLni ambiguun (suale desert parsley) 

 +* Lomatiun bicolor var. bicolor (bicolor biscuitroot) 

 * Lomatiun dissecttm (fern- leaved lomatiun) 

 ■i- LomatiLn sandberqi i (Sandberg's lomatiim) 

 Lomatium tri ternatum (narrouleaf lomatiun) 

 Osmorhiza chi I ens is (mountain sweet-root) 

 Si urn suave (hemlock water-parsnip) 



Moist areas. 



Riparian areas. 



Rocky areas. 



Dry, rocky scree slopes. 



Rocky dry slopes. 



Moist, rocky slopes. 



Dry slopes. 



Moist areas in shaded forest 



Ponds and wetlands. 



APOCYNACEAE (Dogbane Family) 



Apocymjii androsaemi f ol iun (spreading dogbane) 

 Apocyrnjn sibiricun (clasping- leaved dogbane) 



Dry gravelly open slopes. 

 Dry gravelly open slopes. 



Aral ia nudicaul is (wild sarsapari 

 Oplopanax horridus (devil's club) 



ARALIACEAE (Ginseng Family) 

 la) 



Moist woods and thickets. 

 Moist woods. 



ARISTOLOCHIACEAE (Birthwort Family) 



Asarun caudatLm (wild ginger) 



Moist woods, under forest canopy. 



ASTERACEAE (Sunflower Family) 



Achi I lea mi I lefol iun (common yarrow) 

 Adenocaulon bicolor (trail plant) 



Aqoseris heterophyl la (annual agoseris) 



Anaphal is margari tacea (corrxin pearly everlasting) 



* Antennaria luzuloides (woodrush pussytoes) 



Antennaria neglecta (field pussytoes) 



Antennaria microphyl la (rosy pussytoes) 



Antennaria racemosa (raceme pussytoes) 



* Arnica diversifol ia (sticky arnica) 



* Arnica fulgens (orange arnica) 



Arnica latifol ia (broadleaf arnica) 



Balsamorhiza sagi ttata (arrowleaf balsalmroot) 



Centaurea maculosa (spotted knapweed) 



Chrysanthemun leucanthemun (oxeye-daisy) 



Crepis elegans (elegant hawksbeard) 



Erigeron compos itus (cut- leaved daisy) 



Gnaphal iun palustre (lowland cudweed) 



Hieraceun albif lorun (white hawkweed) 



Hieraceun aurantiacun (king devil) 



Hieraceun cynoglossoides (houndstounge hawkweed) 



Hieraceun umbel latun (narrow- leaved hawkweed) 



* Madia ex i qua (little tarweed) 



•Madia minima (small-headed tarweed) 



Senecio sphaerocephalus (mountain-marsh butterweed) 



Senecio triangularis (arrowleaf groundsel) 



Tanacetun vulqare (common tansy) 



Open or disturbed areas. 



Hoist woods and meadows. 



Hills and slopes. 



^oods, slopes and rocky fla 



Open slopes. 



Open woods. 



Meadows and open woods. 



Woods. 



Rocky places on slopes. 



Hills, slop>es, and meadows. 



Moist woods. 



Dry open slopes. 



Disturbed areas. 



Disturbed areas. 



Woods. 



Dry, rocky slopes. 



Moist woods. 



Woods and slopes. 



Disturbed areas. 



Meadows and slopes. 



Woods and thickets. 



Open woods. 



Open rocky areas in woods. 



Open moist slopes. 



Moist meadows and slopes. 



Disturbed areas. 



