|
Astragalus misellus S.Watson
|
T. J. Howell s.n. |
14 May 1885 |
United States of America |
Oregon |
Mitchell. |
isotype |
|
|
|
|
|
Galium bifolium S.Watson
|
T. J. Howell s.n. |
09 Jul 1887 |
United States of America |
Oregon |
Top of Siskiyou Mountains, near… |
possible type |
|
|
|
|
|
Peucedanum martindalei J.M.Coult. & Rose
|
T. J. Howell s.n. |
May 1880-Jun 1800 |
United States of America |
— |
Cascade Mountains |
isotype |
|
|
|
|
|
Viola deltoidea Greene
|
T. J. Howell s.n. |
20 Apr 1887 |
United States of America |
Oregon |
Near Waldo. |
type |
|
|
|
|
|
Viola deltoidea Greene
|
T. J. Howell s.n. |
20 Apr 1887 |
United States of America |
Oregon |
Near Waldo. |
type |
|
|
|
|
|
Viola deltoidea Greene
|
T. J. Howell s.n. |
20 Apr 1887 |
United States of America |
Oregon |
Near Waldo. |
type |
|
|
|
|
|
Delphinium depauperatum Nutt.
|
T. J. Howell s.n. |
02 Jun 1885 |
United States of America |
Oregon |
Base of Stein's Mountain |
— |
|
|
|
|
|
Scapania granulifera A.Evans
|
T. J. Howell |
Apr 1892 |
United States of America |
California |
Del Norte Co. Near Crescent… |
cotype |
|
|
|
|
|
Arabis puberula Nutt. ex Torr. & A.Gray
|
T. J. Howell |
Jun 1885 |
United States of America |
Oregon |
Harney Valley |
— |
|
|
|
|
|
Hieracium longiberbe Howell
|
T. J. Howell s.n. |
Jun 1886 |
United States of America |
Oregon |
Cascades of the Columbia |
possible type |
|
|
|
|
|
Phacelia peckii J.T.Howell
|
T. J. Howell s.n. |
07 Jun 1884 |
United States of America |
Oregon |
Waldo |
— |
|
|
|
|
|
Arabis koehleri Howell
|
T. J. Howell s.n. |
17 Apr 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
isotype |
|
|
|
|
|
Arabis koehleri Howell
|
T. J. Howell s.n. |
17 Apr 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
isotype |
|
|
|
|
|
Arabis koehleri Howell
|
T. J. Howell s.n. |
17 Apr 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
isotype |
|
|
|
|
|
Arabis koehleri Howell
|
T. J. Howell s.n. |
17 Apr 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
isotype |
|
|
|
|
|
Ptilium crista-castrensis (Hedw.) De Not.
|
T. J. Howell |
18 Aug 1895 |
United States of America |
Alaska |
Near Yes Bay |
— |
|
|
|
|
|
Horkelia sericata S.Watson
|
T. J. Howell s.n. |
13 Jun 1884 |
United States of America |
Oregon |
Coast Mountains, fortieth parallel. |
possible isotype |
|
|
|
|
|
Horkelia sericata S.Watson
|
T. J. Howell s.n. |
13 Jun 1884 |
United States of America |
Oregon |
Coast Mountains, fortieth parallel. |
possible isotype |
|
|
|
|
|
Evax caulescens (Benth.) A.Gray
|
T. J. Howell s.n. |
24 May 1884 |
United States of America |
Oregon |
Grant's Pass |
— |
|
|
|
|
|
Evax caulescens (Benth.) A.Gray
|
T. J. Howell s.n. |
02 May 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
— |
|
|
|
|
|
Astragalus drepanolobus A.Gray
|
T. J. Howell s.n. |
10 May 1882 |
United States of America |
Oregon |
On gravel bars, John Day… |
probable isotype |
|
|
|
|
|
Astragalus drepanolobus A.Gray
|
T. J. Howell s.n. |
10 May 1882 |
United States of America |
Oregon |
On gravel bars, John Day… |
probable isotype |
|
|
|
|
|
Hieracium barbigerum Greene
|
T. J. Howell s.n. |
19 Jul 1887 |
United States of America |
Oregon |
Ashland Butte, Siskiyou Mountains |
syntype |
|
|
|
|
|
Hieracium barbigerum Greene
|
T. J. Howell s.n. |
19 Jul 1887 |
United States of America |
Oregon |
Ashland Butte, Siskiyou Mountains |
syntype |
|
|
|
|
|
Chamaecyparis nootkatensis (D.Don) Spach
|
T. J. Howell s.n. |
— |
United States of America |
Oregon |
Cascade Mountains |
— |
|
|
|
|
|
Chamaecyparis nootkatensis (D.Don) Spach
|
T. J. Howell s.n. |
Oct 1882 |
United States of America |
Oregon |
Base of Mount Hood |
— |
|
|
|
|
|
Chamaecyparis nootkatensis (D.Don) Spach
|
T. J. Howell s.n. |
Oct 1882 |
United States of America |
Oregon |
Base of Mount Hood |
— |
|
|
|
|
|
Astragalus agrestis Douglas ex G.Don
|
T. J. Howell s.n. |
09 Jun 1885 |
United States of America |
Oregon |
Harney Valley |
— |
|
|
|
|
|
Poa macrantha Vasey
|
T. J. Howell |
— |
United States of America |
Oregon |
Clatsop Spit |
syntype |
|
|
|
|
|
Peucedanum watsonii J.M.Coult. & Rose
|
T. J. Howell 830 |
20 May 1882 |
United States of America |
Oregon |
Near Alkali |
syntype |
|
|
|
|
|
Erigeron poliospermus A.Gray
|
T. J. Howell s.n. |
01 May 1882 |
United States of America |
Washington |
Near Umatilla |
syntype |
|
|
|
|
|
Erigeron poliospermus A.Gray
|
T. J. Howell s.n. |
20 Apr 1882 |
United States of America |
Washington |
Banks of the Columbia River… |
syntype |
|
|
|
|
|
Erigeron poliospermus A.Gray
|
T. J. Howell s.n. |
20 Apr 1882 |
United States of America |
Washington |
Banks of the Columbia River… |
syntype |
|
|
|
|
|
Claopodium crispifolium (Hook.) Renauld & Cardot
|
T. J. Howell |
Feb 1882 |
United States of America |
Oregon |
Pacific Coast. Sauvie's Island |
— |
|
|
|
|
|
Claopodium crispifolium (Hook.) Renauld & Cardot
|
T. J. Howell |
Mar 1886 |
United States of America |
Oregon |
Pacific Coast. Sauvie's Island |
— |
|
|
|
|
|
Hypnum circinale Hook.
|
T. J. Howell |
Mar 1886 |
United States of America |
Oregon |
Pacific Coast. Sauvie's Island |
— |
|
|
|
|
|
Hypnum circinale Hook.
|
T. J. Howell 1 |
Mar 1885 |
United States of America |
Oregon |
Clackamas Co. Pacific Coast |
— |
|
|
|
|
|
Hypnum circinale Hook.
|
T. J. Howell |
Feb 1882 |
United States of America |
Oregon |
Pacific Coast. Sauvie's Island |
— |
|
|
|
|
|
Lilium bolanderi S.Watson
|
T. J. Howell s.n. |
13 Jun 1884 |
United States of America |
Oregon |
Coast Mountains, fortieth parallel. |
possible syntype |
|
|
|
|
|
Lilium bolanderi S.Watson
|
T. J. Howell s.n. |
13 Jun 1884 |
United States of America |
Oregon |
Coast Mountains, fortieth parallel. |
possible syntype |
|
|
|
|
|
Erigeron decumbens Nutt.
|
T. J. Howell s.n. |
07 Jul 1882 |
United States of America |
Oregon |
North Yamhill |
— |
|
|
|
|
|
Erigeron decumbens Nutt.
|
T. J. Howell s.n. |
07 Jul 1882 |
United States of America |
Oregon |
North Yamhill |
— |
|
|
|
|
|
Erigeron decumbens Nutt.
|
T. J. Howell s.n. |
25 Jun 1885 |
United States of America |
Oregon |
Stantiam |
— |
|
|
|
|
|
Bromus ciliatus var. pauciflorus Vasey
|
T. J. Howell s.n. |
29 Jul 1886 |
United States of America |
Oregon |
North side of Mount Hood |
isotype |
|
|
|
|
|
Bromus ciliatus var. pauciflorus Vasey
|
T. J. Howell s.n. |
29 Jul 1886 |
United States of America |
Oregon |
North side of Mount Hood |
isotype |
|
|
|
|
|
Cirsium howellii Petr.
|
T. J. Howell s.n. |
25 Jul 1887 |
United States of America |
Oregon |
Rogue River valley |
type |
|
|
|
|
|
Calochortus greenei S.Watson
|
T. J. Howell s.n. |
Jul 1880 |
United States of America |
Washington |
Klickitat Prairie. W. T. |
possible type |
|
|
|
|
|
Galium oreganum Britton
|
T. J. Howell s.n. |
Jun 1880 |
United States of America |
Oregon |
Western Oregon |
possible type |
|
|
|
|
|
Galium oreganum Britton
|
T. J. Howell s.n. |
Jun 1880 |
United States of America |
Oregon |
Western Oregon. |
possible type |
|
|
|
|
|
Crataegus columbiana Howell
|
T. J. Howell 1927 |
18 May 1896 |
United States of America |
Oregon |
Near Rendelton. |
possible isotype |
|
|
|
|
|
Dicranum scoparium Hedw.
|
T. J. Howell 1825 |
Jul 1895 |
United States of America |
Alaska |
Yes Bay |
— |
|
|
|
|
|
Dicranum scoparium Hedw.
|
T. J. Howell |
Jun 1884 |
United States of America |
Oregon |
Waldo |
— |
|
|
|
|
|
Taeniopleurum howellii J.M.Coult. & Rose
|
T. J. Howell s.n. |
13 Jul 1887 |
United States of America |
Oregon |
Grant's Pass |
isotype |
|
|
|
|
|
Taeniopleurum howellii J.M.Coult. & Rose
|
T. J. Howell s.n. |
13 Jul 1887 |
United States of America |
Oregon |
Grant's Pass |
syntype |
|
|
|
|
|
Penstemon richardsonii Douglas ex Lindl. var. richardsonii
|
T. J. Howell s.n. |
Aug 1882 |
United States of America |
Oregon |
Hood River |
— |
|
|
|
|
|
Bartramia pomiformis Hedw.
|
T. J. Howell 1828 |
08 Aug 1895 |
United States of America |
Alaska |
Short Bay |
— |
|
|
|
|
|
Hieracium oregonicum Zahn
|
T. J. Howell s.n. |
19 Jul 1887 |
United States of America |
Oregon |
Ashland Butte, Siskiyou Mountains |
type |
|
|
|
|
|
Hieracium oregonicum Zahn
|
T. J. Howell s.n. |
19 Jul 1887 |
United States of America |
Oregon |
Ashland Butte, Siskiyou Mountains |
type |
|
|
|
|
|
Hedwigia stellata Hedenäs
|
T. J. Howell |
1880 |
United States of America |
Oregon |
Multnomah Co. Rooster Rock State… |
— |
|
|
|
|
|
Penstemon barrettiae A.Gray
|
T. J. Howell s.n. |
— |
United States of America |
Oregon |
Eastern Oregon |
— |
|
|
|
|
|
Penstemon barrettiae A.Gray
|
T. J. Howell s.n. |
— |
United States of America |
Oregon |
Eastern Oregon |
— |
|
|
|
|
|
Peucedanum microcarpum Howell
|
T. J. Howell s.n. |
20 Apr 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
isotype |
|
|
|
|
|
Peucedanum microcarpum Howell
|
T. J. Howell s.n. |
20 Apr 1887 |
United States of America |
Oregon |
Roseburg, Umpqua Valley |
isotype |
|
|
|
|
|
Trillium rivale S.Watson
|
T. J. Howell s.n. |
08 Jun 1884 |
United States of America |
Oregon |
Near Waldo. |
syntype |
|
|
|
|
|
Trillium rivale S.Watson
|
T. J. Howell s.n. |
08 Jun 1884 |
United States of America |
Oregon |
Near Waldo. |
syntype |
|
|
|
|
|
Salix laevigata Bebb
|
T. J. Howell 1393 |
Apr 1889 |
United States of America |
Oregon |
Hornbrook Call. |
— |
|
|
|
|
|
Agoseris tomentosa Howell
|
T. J. Howell s.n. |
01 Jun 1885 |
United States of America |
Oregon |
Base of Stein's Mountain |
isotype |
|
|
|
|
|
Philonotis fontana (Hedw.) Brid.
|
T. J. Howell |
Aug 1882 |
United States of America |
Oregon |
Adams Mt. |
— |
|
|
|
|
|
Philonotis fontana (Hedw.) Brid.
|
T. J. Howell |
Aug 1882 |
United States of America |
Washington |
Yakima Co. Mt. Adams |
— |
|
|
|
|
|
Peucedanum canbyi J.M.Coult. & Rose
|
T. J. Howell s.n. |
Apr 1880 |
United States of America |
Oregon |
Eastern Oregon |
syntype |
|
|
|
|
|
Peucedanum canbyi J.M.Coult. & Rose
|
T. J. Howell 1369 |
1888 |
United States of America |
Washington |
Klickitat Co. |
possible syntype |
|
|
|
|
|
Peucedanum canbyi J.M.Coult. & Rose
|
T. J. Howell s.n. |
Apr 1880 |
United States of America |
Oregon |
Eastern Oregon |
possible syntype |
|
|
|
|
|
Taxus brevifolia Nutt.
|
T. J. Howell s.n. |
Mar 1892 |
United States of America |
Oregon |
Sauvie's Island |
— |
|
|
|
|
|
Ranunculus occidentalis var. howellii Greene
|
T. J. Howell 1331 |
15 Apr 1889 |
United States of America |
Oregon |
Near Ashland |
isotype |
|
|
|
|
|
Cardamine orbicularis Greene
|
T. J. Howell 3929 |
May 1887 |
United States of America |
Oregon |
Mouth of the Columbia River |
isotype |
|
|
|
|