|
Pinus balfouriana Grev. & Balf.
|
H. L. Mason 11519 |
06 Aug 1936 |
United States of America |
California |
Mono Co. Hills between Saddlebag… |
— |
34548 |
|
|
|
Pinus albicaulis Engelm.
|
H. L. Mason 11519 |
06 Aug 1936 |
United States of America |
California |
Mono Co. Hills between Saddlebag… |
— |
34547 |
|
|
|
Nicotiana nesophila I.M.Johnst.
|
H. L. Mason 1596 |
03 May 1925 |
Mexico |
— |
Revillagigedo Islands; Socorro Island; Beumers… |
isotype |
138795 |
|
|
|
Coccoloba masonii Lundell
|
H. L. Mason 1806 |
21 May 1925 |
Mexico |
Colima |
Revillagigedo Islands; Tres Marias Islands;… |
type |
285688 |
|
|
|
Limnanthes douglasii var. sulphurea C.T.Mason
|
H. L. Mason 1413 |
18 May 1938 |
United States of America |
California |
Marin Co. Point Reyes Peninsula,… |
isotype |
288747 |
|
|
|
Scapania bolanderi Austin
|
H. L. Mason 3392 |
06 Jun 1926 |
United States of America |
California |
Santa Cruz Co. Big Basin |
— |
228179 |
|
|
|
Scapania bolanderi Austin
|
H. L. Mason |
04 Mar 1933 |
United States of America |
California |
Marin Co. Cataract Gulch; Alpine… |
— |
228206 |
|
|
|
Targionia hypophylla L.
|
H. L. Mason 2592 |
01 Jan 1926 |
United States of America |
California |
Lake Co. From Upper Lake… |
— |
263791 |
|
|
|
Riccardia major (Nees) Lindb.
|
H. L. Mason |
04 Mar 1933 |
United States of America |
California |
Marin Co. Cataract Gulch, Alpine… |
— |
264539 |
|
|
|
Nothochelone nemorosa (Douglas ex Lindl.) Straw
|
H. L. Mason 14062 |
16 Jul 1950 |
United States of America |
California |
Siskiyou Co. Road from Happy… |
— |
790539 |
|
|
|
Porella roellii Steph.
|
H. L. Mason 2519 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio |
— |
253034 |
|
|
|
Navarretia pauciflora H.Mason
|
H. L. Mason 12583 |
12 May 1945 |
United States of America |
California |
Lake Co. Five miles N… |
isotype |
336960 |
|
|
|
Arabis lemmonii var. depauperata (A.Nelson & P.B.Kenn.) Rollins
|
H. L. Mason 11326 |
24 Jul 1936 |
United States of America |
California |
Tuolumne Co. White Mountain, Mount… |
— |
114251 |
|
|
|
Frullania bolanderi Austin
|
H. L. Mason 2613 |
02 Jan 1926 |
United States of America |
California |
Lake Co. Toll House Canyon,… |
— |
252079 |
|
|
|
Frullania bolanderi Austin
|
H. L. Mason 2518 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio. |
— |
252080 |
|
|
|
Frullania bolanderi Austin
|
H. L. Mason 2600 |
02 Jan 1926 |
United States of America |
California |
Lake Co. Clear Lake. |
— |
252082 |
|
|
|
Frullania bolanderi Austin
|
H. L. Mason 2487 |
15 Nov 1925 |
United States of America |
California |
Alameda Co. Redwood Canyon, Oakland… |
— |
252083 |
|
|
|
Penstemon gracilentus A.Gray
|
H. L. Mason 12343 |
29 Jul 1940 |
United States of America |
Nevada |
Washoe Co. Lateral moraine along… |
— |
600676 |
|
|
|
Penstemon gracilentus A.Gray
|
H. L. Mason 12343 |
29 Jul 1940 |
United States of America |
Nevada |
Washoe Co. Lateral moraine along… |
— |
600677 |
|
|
|
Penstemon gracilentus A.Gray
|
H. L. Mason 12343 |
29 Jul 1940 |
United States of America |
Nevada |
Washoe Co. Lateral moraine along… |
— |
600678 |
|
|
|
Penstemon gracilentus A.Gray
|
H. L. Mason 14394 |
18 Jul 1952 |
United States of America |
California |
Nevada Co. Sage Hen Creek |
— |
600734 |
|
|
|
Ricciella crystallina (L.) Warnst.
|
H. L. Mason |
28 May 1933 |
United States of America |
California |
El Dorado Co. Shingle Springs |
— |
269591 |
|
|
|
Ricciella crystallina (L.) Warnst.
|
H. L. Mason |
10 Aug 1927 |
United States of America |
California |
Siskiyou Co. 1/2 mile south… |
— |
269592 |
|
|
|
Ricciella crystallina (L.) Warnst.
|
H. L. Mason 33 |
28 Nov 1925 |
United States of America |
California |
Sonoma Co. Hood's Peak |
— |
269593 |
|
|
|
Penstemon procerus var. tolmiei (Hook.) Cronquist
|
H. L. Mason 3851 |
11 Jul 1927 |
United States of America |
Washington |
Whatcom Co. Timberline, Grouse Ridge,… |
— |
640456 |
|
|
|
Frullania californica (Austin) A.Evans
|
H. L. Mason 2510 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio. |
— |
252913 |
|
|
|
Frullania californica (Austin) A.Evans
|
H. L. Mason 2510 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio. |
— |
252914 |
|
|
|
Cupressus goveniana Gordon
|
H. L. Mason 8147 |
03 Sep 1934 |
United States of America |
California |
Mendocino Co. White plains 3… |
— |
16645 |
|
|
|
Erigeron crenatus Eastw.
|
H. L. Mason 1683 |
11 May 1925 |
Mexico |
— |
San Benedicto Island (Revillagigedo Islands) |
type |
168600 |
|
|
|
Mentzelia albicaulis (Douglas ex Hook.) Torr. & A.Gray
|
H. L. Mason 4731 |
23 May 1928 |
United States of America |
Nevada |
Elko Co. Ruby Mountains, hills… |
— |
38633 |
|
|
|
Salix exigua Nutt.
|
H. L. Mason 4668 |
21 May 1928 |
United States of America |
Nevada |
Elko Co. W side of… |
— |
177928 |
|
|
|
Cupressus sargentii Jeps.
|
H. L. Mason s.n. |
16 Apr 1926 |
United States of America |
California |
Alameda Co. Type locality: Cedar… |
— |
16799 |
|
|
|
Polygonum sawatchense Small
|
H. L. Mason 12375 |
06 Aug 1940 |
United States of America |
Nevada |
Washoe Co. Mount Rose highway,… |
— |
412856 |
|
|
|
Polygonum sawatchense Small
|
H. L. Mason 12375 |
06 Aug 1940 |
United States of America |
Nevada |
Washoe Co. Mount Rose highway,… |
— |
412857 |
|
|
|
Porella navicularis (Lehm. & Lindenb.) Pfeiff.
|
H. L. Mason 2517 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio |
— |
237573 |
|
|
|
Porella navicularis (Lehm. & Lindenb.) Pfeiff.
|
H. L. Mason |
04 Mar 1933 |
United States of America |
California |
Marin Co. Cataract Gulch, Alpine… |
— |
237633 |
|
|
|
Pinus contorta Douglas ex Loudon
|
H. L. Mason 8146 |
03 Sep 1934 |
United States of America |
California |
Mendocino Co. White plains 3… |
— |
49515 |
|
|
|
Penstemon richardsonii var. dentatus (D.D.Keck) Cronquist
|
H. L. Mason 3536 |
22 Jul 1926 |
United States of America |
Oregon |
Strawberry Range - Blue Mountains… |
— |
641317 |
|
|
|
Erysimum capitatum subsp. angustatum (Greene) R.A.Price
|
H. L. Mason 7189 |
09 Apr 1933 |
United States of America |
California |
Contra Costa Co. East of… |
— |
32658 |
|
|
|
Penstemon serrulatus Menzies ex Sm.
|
H. L. Mason 3827 |
09 Jul 1927 |
United States of America |
Washington |
Whatcom Co. In the vicinity… |
— |
652190 |
|
|
|
Penstemon heterophyllus var. purdyi (D.D.Keck) McMinn
|
H. L. Mason 8071 |
28 Apr 1934 |
United States of America |
California |
Sonoma Co. Head of Dohrman… |
— |
601785 |
|
|
|
Elatine gracilis H.Mason
|
H. L. Mason 14494 |
17 Aug 1952 |
United States of America |
California |
Sierra Co. 0.4 mile south… |
isotype |
94464 |
|
|
|
Lepidozia reptans (L.) Dumort.
|
H. L. Mason 3391 |
06 Jun 1926 |
United States of America |
California |
Santa Cruz Co. Big Basin |
— |
237841 |
|
|
|
Aquilegia formosa Fisch. ex DC.
|
H. L. Mason 4782 |
25 May 1928 |
United States of America |
Nevada |
Elko Co. Cliffs, one mile… |
— |
485672 |
|
|
|
Drepanocladus polycarpon (Blandow ex Voit) Warnst.
|
H. L. Mason 14492 |
16 Aug 1952 |
United States of America |
California |
Nevada Co. Meadow opposite University… |
— |
576332 |
|
|
|
Pinus contorta Douglas ex Loudon var. contorta
|
H. L. Mason 8146 |
03 Sep 1934 |
United States of America |
California |
Mendocino Co. White plains 3… |
— |
49514 |
|
|
|
Pinus contorta Douglas ex Loudon var. contorta
|
H. L. Mason 8148 |
03 Sep 1934 |
United States of America |
California |
Mendocino Co. Just north of… |
— |
49718 |
|
|
|
Glaux maritima L.
|
H. L. Mason 4684 |
21 May 1928 |
United States of America |
Nevada |
Elko Co. Bordering the west… |
— |
223492 |
|
|
|
Riccia glauca L.
|
H. L. Mason 2593 |
01 Jan 1926 |
United States of America |
California |
Lake Co. Near summit of… |
— |
271872 |
|
|
|
Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski
|
H. L. Mason |
25 Oct 1925 |
United States of America |
California |
Santa Cruz Co. Big Basin |
— |
264825 |
|
|
|
Dodecatheon pulchellum (Raf.) Merr.
|
H. L. Mason 4662 |
21 May 1928 |
United States of America |
Nevada |
Elko Co. West side of… |
— |
223716 |
|
|
|
Asterella bolanderi (Austin) Underw.
|
H. L. Mason |
04 Mar 1933 |
United States of America |
California |
Marin Co. Below Alpine Dam,… |
— |
266113 |
|
|
|
Asterella bolanderi (Austin) Underw.
|
H. L. Mason 2531 |
20 Dec 1925 |
United States of America |
California |
Marin Co. Phoenix Lake |
— |
266114 |
|
|
|
Eatonella congdonii A.Gray
|
H. L. Mason 9315 |
30 Apr 1935 |
United States of America |
California |
Kern Co. 5 miles west… |
— |
31175 |
|
|
|
Ranunculus aquatilis var. diffusus With.
|
H. L. Mason 13370 |
11 Jul 1947 |
United States of America |
California |
Modoc Co. Irrigation ditch by… |
— |
493019 |
|
|
|
Radula bolanderi Gottsche
|
H. L. Mason 2501 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio |
— |
239689 |
|
|
|
Radula bolanderi Gottsche
|
H. L. Mason 2501 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio |
— |
239690 |
|
|
|
Salix scouleriana Barratt ex Hook.
|
H. L. Mason 4652 |
20 May 1928 |
United States of America |
Nevada |
Elko Co. Ruby Valley north… |
— |
187929 |
|
|
|
Pinus washoensis H.Mason & Stockw.
|
H. L. Mason 12370 |
06 Aug 1940 |
United States of America |
Nevada |
Washoe Co. 3 mi E… |
isotype |
1267 |
|
|
|
Pinus washoensis H.Mason & Stockw.
|
H. L. Mason 12370 |
06 Aug 1940 |
United States of America |
Nevada |
Washoe Co. 3 mi E… |
isotype |
63537 |
|
|
|
Penstemon cedrosensis Kellogg
|
H. L. Mason 2021 |
1925 |
Mexico |
Baja California |
Cedros Island. North end of… |
— |
772967 |
|
|
|
Ricciocarpos natans (L.) Corda
|
H. L. Mason |
14 Jan 1933 |
United States of America |
California |
San Mateo Co. Sag pond… |
— |
265486 |
|
|
|
Ricciocarpos natans (L.) Corda
|
H. L. Mason |
14 Jul 1933 |
United States of America |
California |
San Mateo Co. Sag pond… |
— |
265487 |
|
|
|
Ricciocarpos natans (L.) Corda
|
H. L. Mason 2598 |
01 Jan 1926 |
United States of America |
California |
Lake Co. In the tules,… |
— |
265552 |
|
|
|
Ricciocarpos natans (L.) Corda
|
H. L. Mason 3825a |
07 Jul 1927 |
United States of America |
Washington |
Skagit Co. Pleasant Ridge, Skagit… |
— |
265553 |
|
|
|
Gratiola heterosepala H.Mason & Bacig.
|
H. L. Mason 14544 |
08 Jun 1953 |
United States of America |
California |
Lake Co. Southwest margin of… |
isotype |
68480 |
|
|
|
Marchantia polymorpha L.
|
H. L. Mason 3916 |
11 Jul 1927 |
United States of America |
Washington |
Near Glacier |
— |
241060 |
|
|
|
Saxifraga odontoloma Piper
|
H. L. Mason 12379 |
06 Aug 1940 |
United States of America |
Nevada |
Washoe Co. Mount Rose Highway,… |
— |
784135 |
|
|
|
Saxifraga odontoloma Piper
|
H. L. Mason 12379 |
06 Aug 1940 |
United States of America |
Nevada |
Washoe Co. Mount Rose Highway,… |
— |
784134 |
|
|
|
Hypericum eastwoodianum I.M.Johnst.
|
H. L. Mason 1614 |
04 May 1925 |
Mexico |
Colima |
Grayson's Cove, Socorro Island, Revillagigedo… |
type |
84854 |
|
|
|
Calypogeia fissa (L.) Raddi
|
H. L. Mason 2526 |
20 Dec 1925 |
United States of America |
California |
Marin Co. Above Phoenix Lake |
— |
248928 |
|
|
|
Pinus muricata var. cedrosensis J.T.Howell
|
H. L. Mason 2030 |
03 Jun 1925 |
Mexico |
Baja California |
Cedros Island. |
isotype |
5382 |
|
|
|
Sphaerocarpos texanus Austin
|
H. L. Mason 2502 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Abandoned road, Monte… |
— |
258749 |
|
|
|
Chorizanthe pungens Benth.
|
H. L. Mason 565 |
23 Jun 1923 |
United States of America |
California |
Monterey Co. Del Monte |
— |
32490 |
|
|
|
Riccardia latifrons (Lindb.) Lindb.
|
H. L. Mason 2499 |
26 Nov 1925 |
United States of America |
California |
Sonoma Co. Monte Rio |
— |
264440 |
|
|