Kadua centranthoides (3)
Kadua haupuensis (3)
Kaempferia elegans (1)
Kageneckia angustifolia (6)
Kageneckia lanceolata (1)
Kageneckia oblonga (15)
Kalanchoe beauverdii (2)
Kalanchoe beharensis (33)
Kalanchoe berharensis (2)
Kalanchoe blosfeldiana (2)
Kalanchoe blossfeldiana (7)
Kalanchoe bracteata (1)
Kalanchoe bracteata ssp. glabra (1)
Kalanchoe citrina (7)
Kalanchoe daigremontiana (18)
Kalanchoe delagoensis (9)
Kalanchoe eriophylla (2)
Kalanchoe fedtschenkoi (6)
Kalanchoe gastonis-bonnieri (3)
Kalanchoe glaucescens (2)
Kalanchoe gracilipes (2)
Kalanchoe grandiflora (3)
Kalanchoe hildebrandtii (1)
Kalanchoe humilis (1)
Kalanchoe laetivirens (6)
Kalanchoe lanceolata (2)
Kalanchoe laxiflora (10)
Kalanchoe longiflora (2)
Kalanchoe luciae (2)
Kalanchoe manginii (1)
Kalanchoe marmorata (5)
Kalanchoe marnieriana (1)
Kalanchoe millotii (1)
Kalanchoe milotii (1)
Kalanchoe mortagei (2)
Kalanchoe nyikae (3)
Kalanchoe orgyalis (10)
Kalanchoe petitiana var. petitiana (6)
Kalanchoe pinnata (17)
Kalanchoe prolifera (4)
Kalanchoe pumila (2)
Kalanchoe rhombopilosa (2)
Kalanchoe rhombopilosa ssp. rhombopilosa (1)
Kalanchoe rosei ssp. serratifolia (1)
Kalanchoe sexangularis (2)
Kalanchoe sinsepala (1)
Kalanchoe sp. (4)
Kalanchoe streptantha (1)
Kalanchoe synsepala (3)
Kalanchoe synsepala var. minor (2)
Kalanchoe tetraphylla (2)
Kalanchoe thrysiflora (3)
Kalanchoe thyrsiflora (23)
Kalanchoe tomentosa (14)
Kalanchoe tubiflora (2)
Kalimeris incisa (4)
Kallstroemia californica (45)
Kallstroemia grandiflora (38)
Kallstroemia parfivlora (2)
Kallstroemia parviflora (34)
Kallstroemia peninsularis (10)
Kallymenia latiloba (1)
Kallymenia multiloba (1)
Kallymenia setchellii (1)
Kalmia angustifolia (19)
Kalmia latifolia (27)
Kalmia microphylla (6)

Kalmia microphylla ssp. occidentalis (3)
Kalmia polifolia (66)
Kalmia polifolia ssp. microphylla (1)
Kalmia polifolia var. microphylla (7)
Kalmiopsis fragrans (14)
Kalmiopsis leachiana ssp. glendoick (1)
Kalopanax septemlobus (4)
Karomia tettensis (1)
Karwinskia humboldtiana (6)
Keckiella antirrhinoides (21)
Keckiella antirrhinoides var. antirrhinoides (65)
Keckiella antirrhinoides var. microphylla (12)
Keckiella breviflora (60)
Keckiella breviflora var. breviflora (70)
Keckiella breviflora var. glabrisepala (70)
Keckiella breviflora_x_ternata (26)
Keckiella brevilfora (2)
Keckiella cordifolia (87)
Keckiella corymbosa (47)
Keckiella lemmonii (51)
Keckiella rothrockii (7)
Keckiella rothrockii var. jacintensis (36)
Keckiella rothrockii var. rothrockii (47)
Keckiella ternata (25)
Keckiella ternata var. septentrionalis (12)
Keckiella ternata var. ternata (25)
Kedrostis nana var. zeyheri (2)
Kelloggia galioides (69)
Kellogia galioides (1)
Kelseya uniflora (11)
Kennedia beckxiana (1)
Kennedia coccinea (1)
Kennedia eximia (2)
Kennedia nigricans (5)
Kernera saxatilis (8)
Kerria japonica (12)
Kerriodoxa elegans (3)
Keteleeria davidiana (19)
Keteleeria evelyniana (7)
Khadia beswickii (3)
Khaya nyasica (7)
Kickxia commutata (8)
Kickxia elatine (66)
Kickxia spuria (43)
Kigeia africana (4)
Kigelia africana (8)
Kigelia pinnata (18)
Kiggelaria africana (11)
Kindbergia oregana (4)
Kindbergia praelonga (6)
Kingia australis (5)
Kirengeshoma palmata (6)
Kirkia acuminata (18)
Kirkia wilmsii (28)
Kitaibelia vitifolia (2)
Kleinia articulata (1)
Kleinia schwartzii (1)
Knautia arvensis (5)
Knautia longifolia (7)
Knautia macedonica (6)
Knightia excelsa (3)
Kniphofia caulescens (1)
Kniphofia citrina (1)
Kniphofia fluviatilis (1)
Kniphofia laxiflora (5)
Kniphofia linearifolia (6)
Kniphofia sp. (10)

Kniphofia sp. or hybrid (2)
Kniphofia thomsonii (2)
Kniphofia trangularis (3)
Kniphofia typhoides (5)
Kniphofia tysonii (4)
Kniphofia uvaria (18)
Koanophyllon solidaginifolium (3)
Koanophyllon villosum (3)
Kobresia bellardii (1)
Kobresia myosuroides (7)
Kochia americana (11)
Kochia californica (19)
Kochia scoparia (10)
Kochia scoparia ssp. scoparia (5)
Koeberlinia spinosa (6)
Koeberlinia spinosa var. tenuispina (15)
Koeberlinia spinosa var. wivaggii (10)
Koeleria gerardi (6)
Koeleria gerardii (1)
Koeleria macrantha (43)
Koeleria phleoides (9)
Koeleria pyramidata (1)
Koeleria sp. (1)
Koellensteinia tricolor (1)
Koelreuteria bipinnata (32)
Koelreuteria paniculata (55)
Koenigia phytolaccifolium (3)
Kohleria papillosa (5)
Kokia cookei (7)
Kokia drynarioides (9)
Kokia kauaiensis (7)
Kolkwitzia (2)
Kolkwitzia amabilis (2)
Kopsiopsis hookeri (24)
Kopsiopsis strobilacea (86)
Korolkovia severzowii (1)
Korthalsella complanata (5)
Korthalsella platycaula (2)
Kosteletzkya virginica (3)
Krameria bicolor (113)
Krameria cistoidea (2)
Krameria erecta (147)
Krameria grayi (2)
Krameria lanceolata (14)
Krameria parvifolia (1)
Krameria pauciflora (6)
Krameria ramosissima (5)
Krameria sonorae (3)
Krameria sp. (1)
Krascheninnikovia lanata (116)
Krigia biflora (12)
Krigia montana (3)
Kuehneromyces mutabilis (1)
Kumara plicatilis (12)
Kumlienia hystricula (8)
Kunzea baxteri (6)
Kunzea ericoides (5)
Kunzea pomifera (2)
Kunzea recurva (3)
Kurzia makinoana (5)
Kyhosia bolanderi (49)
Kyllinga brevifolia (12)
Kyllinga nemoralis (2)
Kyllinga polyphylla (1)