. Brigham Young University science bulletin. Biology -- Periodicals. Biological Series, Vol. 14, No. 2 Reconnaissance of Northern Yukon 45 Artemisia norvegica Fries var. coiiuita ( Rydb.) Welsh Locality #12, WR 10446, 10 July; #43, WR 10725, 15 July; #64, WR 10639, 14'July. Gravel bars, and alpine tundra. Artemisia tilesii Ledeb. var. iinalaschcensis Besser Locality #14, WR 10675, 15 July; #26, WR 10701, 15 July; #29, WR 10739, 15 July; #59, WR 10468, 10 July; #67, WR 10106, 1 July; #68, Rigby 157, 20 July; #78, Rigby 126, 26 July. Gravelly sea beaches and spits, and on gravel bars, terraces,
. Brigham Young University science bulletin. Biology -- Periodicals. Biological Series, Vol. 14, No. 2 Reconnaissance of Northern Yukon 45 Artemisia norvegica Fries var. coiiuita ( Rydb.) Welsh Locality #12, WR 10446, 10 July; #43, WR 10725, 15 July; #64, WR 10639, 14'July. Gravel bars, and alpine tundra. Artemisia tilesii Ledeb. var. iinalaschcensis Besser Locality #14, WR 10675, 15 July; #26, WR 10701, 15 July; #29, WR 10739, 15 July; #59, WR 10468, 10 July; #67, WR 10106, 1 July; #68, Rigby 157, 20 July; #78, Rigby 126, 26 July. Gravelly sea beaches and spits, and on gravel bars, terraces, and river blufls. Aster sihiricus L. Locality #68, Rigby 156, 20 July; #76, WR 10426, 10 July; #78, Rigby 125, 26 July. River bars, terraces, and bluffs, in Old Crow Flats. Crepis nana Richards. Locality #12, WR 10444, 10 July; #15, WR 10570a, 12 July; i±16, Rigby 69, 24 June; #19, WR 10552, 12 July; #25^ WR 10622a, 13 July; #49, WR 10352, '9 July; #59, WR 10462, 10 July; #67, WR 10105, 1 July. Bars and stream banks and on talus and ridge tops in tundra. Erigeron acris L. var. kamtscliaticus (DC.) Herder Locality #68, Rigby , 20 July; #71, WR 10496, 11 July. Gravel bars, in Old Crow Flats. Erigeron hiimilus Grab. Locality #50, WR 10536, 11 July; #51, WR 10515a, 11 July. Kayak shale, in alpine tundra. Erigeron lonchophijlhts Hook. Locality #22, WR 0713, 15 July. Tussock tundra. Erigeron purpuratus Greene Locality #59, WR 10459, 10 July; #71, WR 10500, 1 July. Gravel bars, along streams in Old Crow Flats. Erigeron ijukonensis Rydb. Locality #.34, WR 10390, 9 July; #50, WR 10527, 11 July; #51, WR 10508, 11 July; #66, Rigby 106, 22 July. On Kayak shale, and contact between Shublik and Lisbume limestones in al- pine timdra. The specimens do not fit the pub- lished description of E. ijukonensis exactly. In fact, they closely resemble Aster alpinus var. vierliappeii, but have bright pink purple rays. |1i*«^'W*''. F'lc. 40. Southwcstward across lakes along the west bank of O
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