Rare Plant Inventory

A Science-Driven Approach

Latest Updates: Version v-9.5 released. Release Notes

Plummer's mariposa-lily (Calochortus plummerae). Credit Lara Hartley.

Additions / Changes / Deletions

Name
Layia erubescens added to 1B.2 on 2023-01-30
Malacothamnus mendocinensis changed from 1A to 1B.1 on 2023-01-20
Hoffmannseggia peninsularis added to 1B.1 on 2023-01-20
Penstemon clevelandii var. mohavensis added to 1B.2 on 2022-11-28
Campylopodiella stenocarpa changed from 2B.2 to CBR on 2022-11-17
Erigeron conditii added to 1B.1 on 2022-11-17
Scytinium siskiyouense added to 1B.1 on 2022-10-13
Marsupella aquatica Considered But Rejected on 2022-10-13
Scytinium teretiusculum Considered But Rejected on 2022-10-12
Selaginella scopulorum changed from 3 to 2B.3 on 2022-10-04
Bryum calobryoides Considered But Rejected on 2022-09-28
Platismatia lacunosa added to 2B.3 on 2022-09-28
Utricularia ochroleuca changed from 2B.2 to CBR on 2022-09-22
Dendriscocaulon intriculatum Considered But Rejected on 2022-09-20
Camissonia lacustris added to 1B.2 on 2022-09-19
Collema nigrescens Considered But Rejected on 2022-08-31
Polystichum lonchitis changed from 3 to CBR on 2022-08-23
Monardella exilis added to 4.2 on 2022-08-04
Monardella breweri ssp. microcephala added to 2B.2 on 2022-07-22
Cryptantha pterocarya var. stenoloba added to 2B.1 on 2022-07-18
Dermatocarpon meiophyllizum added to 2B.3 on 2022-07-14
Erythranthe bergeri added to 3 on 2022-06-21
Erythranthe angulosa added to 3 on 2022-06-21
Monardella australis ssp. gabrielensis added to 1B.2 on 2022-05-23
Monardella breweri ssp. glandulifera added to 1B.2 on 2022-05-20
Helianthus exilis changed from 4.2 to CBR on 2022-05-03
Castilleja ambigua var. heckardii added to 1B.1 on 2022-04-07
Erythranthe serpentinicola added to 1B.1 on 2022-03-30
Monardella mojavensis added to 1B.3 on 2022-03-15
Castilleja schizotricha changed from 4.3 to 1B.3 on 2022-02-18
Chorizanthe rectispina changed from 1B.3 to 1B.2 on 2022-01-06
Silene greenei ssp. angustifolia changed from 4.2 to 1B.2 on 2021-11-21
Claytonia crawfordii added to 1B.2 on 2021-10-14
Silene bolanderi added to 1B.2 on 2021-07-30
Silene hookeri added to 2B.2 on 2021-07-30
Silene nelsonii added to 4.3 on 2021-06-24
Peltigera pacifica added to 2B.2 on 2021-06-07
Elodium blandowii changed from 2B.3 to 2B.2 on 2021-05-26
Sulcaria spiralifera changed from 1B.1 to 1B.2 on 2021-05-24
Bryoria pseudocapillaris changed from 3.2 to CBR on 2021-05-24
Sedum marmorense added to 1B.2 on 2021-05-14
Sedum patens added to 1B.2 on 2021-05-14
Sedum rubiginosum added to 1B.2 on 2021-05-14
Sedum sanhedrinum added to 1B.2 on 2021-05-14
Sedum obtusatum ssp. paradisum added to 1B.1 on 2021-05-11
Carex scoparia var. scoparia changed from 2A to 2B.2 on 2021-04-28
Horkelia howellii added to 4.3 on 2021-04-23
Phacelia lyonii changed from CBR to 1B.2 on 2021-04-15
Sulcaria badia added to 4.2 on 2021-03-19
Erythranthe shevockii changed from 1B.2 to 1B.1 on 2021-03-15

Status Review Documents

Currently in Review

Name
Botrychium minganense Mingan moonwort
Eryngium montereyense Fort Ord button-celery
Erythranthe discolor two-colored monkey flower
Orobanche ludoviciana var. arenosa Suksdorf's broom-rape
Orobanche parishii ssp. brachyloba short-lobed broomrape
Orobanche valida ssp. howellii Howell's broomrape
Orobanche valida ssp. valida Rock Creek broomrape

Status Review Forum Forum Membership Reviewer Form