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Trifolium longipes subsp. hansenii (Greene) J.M.Gillett
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J. T. Howell 49224 |
13 May 1973 |
United States of America |
California |
Lassen Co. Sierra Nevada. Open… |
— |
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Trifolium microcephalum Pursh
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J. T. Howell 8246 |
16 Mar 1932 |
Mexico |
Baja California |
Guadalupe Island |
— |
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Trifolium palmeri S.Watson
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J. T. Howell 8308 |
18 Mar 1932 |
Mexico |
Baja California |
Middle part, Guadalupe Island |
— |
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Trifolium pratense L.
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J. T. Howell 51311 |
18 Jun 1975 |
United States of America |
Nevada |
Washoe Co. Crystal Peak Park,… |
— |
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Triglochin maritima L.
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J. T. Howell 54486 |
11 Aug 1981 |
United States of America |
California |
Mono Co. Saline flats, 4… |
— |
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Trillium angustipetalum (Torr.) J.D.Freeman
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J. T. Howell 53089 |
26 Jun 1978 |
United States of America |
California |
Calaveras Co. Headwaters of Little… |
— |
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Trisetum spicatum (L.) K.Richt.
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J. T. Howell 6995 |
25 Jun 1931 |
United States of America |
Oregon |
Klamath Co. Odell Lake. |
— |
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Triteleia bridgesii (S.Watson) Greene
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J. T. Howell s.n. |
08 Jun 1884 |
United States of America |
Oregon |
Coast Mountains |
— |
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Triteleia hyacinthina (Lindl.) Greene
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J. T. Howell 52833 |
17 Apr 1978 |
United States of America |
California |
Butte Co. Table Mountain |
— |
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Triteleia ixioides subsp. anilina (Greene) L.W.Lenz
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J. T. Howell s.n. |
02 Aug 1977 |
United States of America |
California |
Alpine Co. Silver Creek, about… |
— |
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Triteleia ixioides subsp. scabra (Greene) L.W.Lenz
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J. T. Howell 38466 |
10 Jul 1962 |
United States of America |
California |
Kern Co. Shirley Meadows, Greenhorn… |
— |
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Triteleia laxa Benth.
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J. T. Howell 6468 |
12 May 1931 |
United States of America |
California |
Contra Costa Co. Oakland Hills |
— |
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Triteleia laxa Benth.
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J. T. Howell 6468 |
12 May 1931 |
United States of America |
California |
Contra Costa Co. Oakland Hills |
— |
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Triteleia montana Hoover
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J. T. Howell 50615 |
s.d. |
United States of America |
California |
Sierra Co. About 1 mile… |
— |
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Tulostoma granulosum Lév.
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J. T. Howell s.n. |
25 May 1932 |
Ecuador |
Galápagos |
"Albamarle" [Currently referred to as… |
— |
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Typha angustifolia L.
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J. T. Howell 19521 |
28 May 1944 |
United States of America |
California |
Marin Co. Between Almonte and… |
— |
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Typha angustifolia L. x T. latifolia L.
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J. T. Howell 25289 |
19 Sep 1948 |
United States of America |
California |
Marin Co. Phoenix Lake, Mt.… |
— |
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Typha domingensis Pers.
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J. T. Howell 25287 |
19 Sep 1948 |
United States of America |
California |
Marin Co. Phoenix Lake, Mt.… |
— |
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Typha domingensis Pers.
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J. T. Howell 53729 |
14 Jul 1980 |
United States of America |
California |
Tulare Co. Limestone bluff and… |
— |
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Ulmus pumila L.
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J. T. Howell 52869 |
20 Apr 1978 |
United States of America |
California |
Lassen Co. Susanville |
— |
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Uromyces intricatus Cooke
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J. T. Howell s.n. |
04 Oct 1929 |
United States of America |
California |
Truckee River, below Tahoe City |
— |
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Urtica dioica subsp. gracilis (Aiton) Selander
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J. T. Howell 52142 |
03 Aug 1976 |
United States of America |
Nevada |
Carson City (Independent City). Ormsby… |
— |
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Urtica dioica subsp. holosericea (Nutt.) Thorne
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J. T. Howell 49079 |
26 Sep 1972 |
United States of America |
Nevada |
Washoe Co. stream bottom, east… |
— |
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Urtica dioica subsp. holosericea (Nutt.) Thorne
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J. T. Howell 51991 |
19 Jul 1976 |
United States of America |
California |
Lassen Co. Sierra Nevada. Transition… |
— |
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Vaccinium alaskaense Howell
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J. T. Howell 7664 |
01 Aug 1931 |
Canada |
British Columbia |
Mt. Arrowsmith, Vancouver Island |
— |
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